javaprims.h: Updated class declaration list.
* gcj/javaprims.h: Updated class declaration list. * Makefile.in: Rebuilt. * Makefile.am (core_java_source_files): Added PropertyPermissionCollection.java. * java/lang/Thread.java (group, name): Now package-private. * java/lang/ThreadGroup.java: Re-merge with Classpath. * java/util/AbstractList.java: Likewise. * java/util/AbstractMap.java: Likewise. * java/util/Calendar.java: Likewise. * java/util/Collections.java: Likewise. * java/util/HashMap.java: Likewise. * java/util/Hashtable.java: Likewise. * java/util/LinkedHashMap.java: Likewise. * java/util/LinkedList.java: Likewise. * java/util/List.java: Likewise. * java/util/ListResourceBundle.java: Likewise. * java/util/Map.java: Likewise. * java/util/Observable.java: Likewise. * java/util/Properties.java: Likewise. * java/util/PropertyPermission.java: Likewise. * java/util/PropertyPermissionCollection.java: Likewise. * java/util/PropertyResourceBundle.java: Likewise. * java/util/Random.java: Likewise. * java/util/SimpleTimeZone.java: Likewise. * java/util/StringTokenizer.java: Likewise. * java/util/TimerTask.java: Likewise. * java/util/TreeMap.java: Likewise. * java/util/WeakHashMap.java: Likewise. * java/util/jar/Attributes.java: Likewise. * java/util/jar/JarException.java: Likewise. * java/util/jar/Manifest.java: Likewise. From-SVN: r54743
This commit is contained in:
Tom Tromey
Tom Tromey
parent
0fd534ed06
commit
3831381763
31 changed files with 2304 additions and 1518 deletions
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@ -1,5 +1,5 @@
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/* java.util.Properties
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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/* Properties.java -- a set of persistent properties
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Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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@ -37,70 +37,109 @@ exception statement from your version. */
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package java.util;
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import java.io.*;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.io.PrintWriter;
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import java.io.PrintStream;
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import java.io.OutputStreamWriter;
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/**
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* A set of persistent properties, which can be saved or loaded from a stream.
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* A property list may also contain defaults, searched if the main list
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* does not contain a property for a given key.
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*
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* An example of a properties file for the german language is given
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* here. This extends the example given in ListResourceBundle.
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* Create a file MyResource_de.properties with the following contents
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* and put it in the CLASSPATH. (The character
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* <code>\</code><code>u00e4</code> is the german ä)
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*
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* <pre>
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* s1=3
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* s2=MeineDisk
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* s3=3. M\<code></code>u00e4rz 96
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* s4=Die Diskette ''{1}'' enth\<code></code>u00e4lt {0} in {2}.
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* s5=0
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* s6=keine Dateien
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* s7=1
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* s8=eine Datei
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* s9=2
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* s10={0,number} Dateien
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* s11=Das Formatieren schlug fehl mit folgender Exception: {0}
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* s12=FEHLER
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* s13=Ergebnis
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* s14=Dialog
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* s15=Auswahlkriterium
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* s16=1,3
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* </pre>
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*
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* Although this is a sub class of a hash table, you should never
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*
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<pre>s1=3
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s2=MeineDisk
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s3=3. M\<code></code>u00e4rz 96
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s4=Die Diskette ''{1}'' enth\<code></code>u00e4lt {0} in {2}.
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s5=0
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s6=keine Dateien
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s7=1
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s8=eine Datei
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s9=2
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s10={0,number} Dateien
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s11=Das Formatieren schlug fehl mit folgender Exception: {0}
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s12=FEHLER
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s13=Ergebnis
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s14=Dialog
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s15=Auswahlkriterium
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s16=1,3</pre>
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*
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* <p>Although this is a sub class of a hash table, you should never
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* insert anything other than strings to this property, or several
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* methods, that need string keys and values, will fail. To ensure
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* this, you should use the <code>get/setProperty</code> method instead
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* of <code>get/put</code>.
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*
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* @see PropertyResourceBundle
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* Properties are saved in ISO 8859-1 encoding, using Unicode escapes with
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* a single <code>u</code> for any character which cannot be represented.
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*
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* @author Jochen Hoenicke
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* @author Eric Blake <ebb9@email.byu.edu>
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* @see PropertyResourceBundle
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* @status updated to 1.4
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*/
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public class Properties extends Hashtable
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{
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// WARNING: Properties is a CORE class in the bootstrap cycle. See the
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// comments in vm/reference/java/lang/Runtime for implications of this fact.
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/**
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* The property list that contains default values for any keys not
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* in this property list.
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* in this property list.
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*
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* @serial the default properties
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*/
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protected Properties defaults;
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/**
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* Compatible with JDK 1.0+.
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*/
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private static final long serialVersionUID = 4112578634029874840L;
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/**
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* Creates a new empty property list.
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* Creates a new empty property list with no default values.
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*/
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public Properties()
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{
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this.defaults = null;
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}
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/**
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* Create a new empty property list with the specified default values.
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* @param defaults a Properties object containing the default values.
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*
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* @param defaults a Properties object containing the default values
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*/
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public Properties(Properties defaults)
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{
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this.defaults = defaults;
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}
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/**
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* Adds the given key/value pair to this properties. This calls
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* the hashtable method put.
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*
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* @param key the key for this property
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* @param value the value for this property
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* @return The old value for the given key
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* @see #getProperty(String)
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* @since 1.2
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*/
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public Object setProperty(String key, String value)
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{
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return put(key, value);
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}
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/**
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* Reads a property list from an input stream. The stream should
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* have the following format: <br>
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@ -120,173 +159,176 @@ public class Properties extends Hashtable
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*
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* Escape sequences <code>\t, \n, \r, \\, \", \', \!, \#, \ </code>(a
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* space), and unicode characters with the
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* <code>\</code><code>u</code>xxxx notation are detected, and
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* <code>\\u</code><em>xxxx</em> notation are detected, and
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* converted to the corresponding single character. <br>
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*
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* <pre>
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* # This is a comment
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* key = value
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* k\:5 \ a string starting with space and ending with newline\n
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* # This is a multiline specification; note that the value contains
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* # no white space.
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* weekdays: Sunday,Monday,Tuesday,Wednesday,\
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* Thursday,Friday,Saturday
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* # The safest way to include a space at the end of a value:
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* label = Name:\<code></code>u0020
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* </pre>
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*
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<pre># This is a comment
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key = value
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k\:5 \ a string starting with space and ending with newline\n
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# This is a multiline specification; note that the value contains
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# no white space.
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weekdays: Sunday,Monday,Tuesday,Wednesday,\\
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Thursday,Friday,Saturday
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# The safest way to include a space at the end of a value:
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label = Name:\\u0020</pre>
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*
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* @param in the input stream
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* @exception IOException if an error occurred when reading
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* from the input. */
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* @throws IOException if an error occurred when reading the input
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* @throws NullPointerException if in is null
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*/
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public void load(InputStream inStream) throws IOException
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{
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// The spec says that the file must be encoded using ISO-8859-1.
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BufferedReader reader =
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new BufferedReader(new InputStreamReader(inStream, "ISO-8859-1"));
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String line;
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while ((line = reader.readLine()) != null)
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{
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char c = 0;
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int pos = 0;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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char c = 0;
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int pos = 0;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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// If line is empty or begins with a comment character,
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// skip this line.
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if (pos == line.length() || c == '#' || c == '!')
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continue;
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// If line is empty or begins with a comment character,
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// skip this line.
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if (pos == line.length() || c == '#' || c == '!')
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continue;
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// The characters up to the next Whitespace, ':', or '='
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// describe the key. But look for escape sequences.
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StringBuffer key = new StringBuffer();
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while (pos < line.length()
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&& !Character.isWhitespace(c = line.charAt(pos++))
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&& c != '=' && c != ':')
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{
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if (c == '\\')
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{
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if (pos == line.length())
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{
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// The line continues on the next line.
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line = reader.readLine();
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pos = 0;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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}
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else
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{
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c = line.charAt(pos++);
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switch (c)
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{
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case 'n':
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key.append('\n');
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break;
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case 't':
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key.append('\t');
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break;
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case 'r':
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key.append('\r');
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break;
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case 'u':
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if (pos + 4 <= line.length())
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{
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char uni = (char) Integer.parseInt
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(line.substring(pos, pos + 4), 16);
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key.append(uni);
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pos += 4;
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} // else throw exception?
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break;
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default:
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key.append(c);
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break;
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}
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}
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}
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else
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key.append(c);
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}
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// The characters up to the next Whitespace, ':', or '='
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// describe the key. But look for escape sequences.
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StringBuffer key = new StringBuffer();
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while (pos < line.length()
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&& ! Character.isWhitespace(c = line.charAt(pos++))
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&& c != '=' && c != ':')
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{
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if (c == '\\')
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{
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if (pos == line.length())
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{
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// The line continues on the next line.
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line = reader.readLine();
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pos = 0;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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}
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else
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{
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c = line.charAt(pos++);
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switch (c)
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{
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case 'n':
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key.append('\n');
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break;
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case 't':
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key.append('\t');
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break;
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case 'r':
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key.append('\r');
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break;
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case 'u':
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if (pos + 4 <= line.length())
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{
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char uni = (char) Integer.parseInt
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(line.substring(pos, pos + 4), 16);
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key.append(uni);
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pos += 4;
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} // else throw exception?
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break;
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default:
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key.append(c);
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break;
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}
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}
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}
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else
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key.append(c);
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}
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boolean isDelim = (c == ':' || c == '=');
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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boolean isDelim = (c == ':' || c == '=');
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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if (!isDelim && (c == ':' || c == '='))
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{
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pos++;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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}
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if (! isDelim && (c == ':' || c == '='))
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{
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pos++;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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}
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StringBuffer element = new StringBuffer(line.length() - pos);
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while (pos < line.length())
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{
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c = line.charAt(pos++);
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if (c == '\\')
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{
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if (pos == line.length())
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{
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// The line continues on the next line.
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line = reader.readLine();
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pos = 0;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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element.ensureCapacity(line.length() - pos +
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element.length());
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}
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else
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{
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c = line.charAt(pos++);
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switch (c)
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{
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case 'n':
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element.append('\n');
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break;
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case 't':
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element.append('\t');
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break;
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case 'r':
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element.append('\r');
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break;
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case 'u':
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if (pos + 4 <= line.length())
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{
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char uni = (char) Integer.parseInt
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(line.substring(pos, pos + 4), 16);
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element.append(uni);
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pos += 4;
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} // else throw exception?
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break;
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default:
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element.append(c);
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break;
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}
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}
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}
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else
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element.append(c);
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}
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put(key.toString(), element.toString());
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StringBuffer element = new StringBuffer(line.length() - pos);
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while (pos < line.length())
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{
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c = line.charAt(pos++);
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if (c == '\\')
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{
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if (pos == line.length())
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{
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// The line continues on the next line.
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line = reader.readLine();
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pos = 0;
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while (pos < line.length()
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&& Character.isWhitespace(c = line.charAt(pos)))
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pos++;
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element.ensureCapacity(line.length() - pos +
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element.length());
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}
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else
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{
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c = line.charAt(pos++);
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switch (c)
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{
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case 'n':
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element.append('\n');
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break;
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case 't':
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element.append('\t');
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break;
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case 'r':
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element.append('\r');
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break;
|
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case 'u':
|
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if (pos + 4 <= line.length())
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{
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char uni = (char) Integer.parseInt
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(line.substring(pos, pos + 4), 16);
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element.append(uni);
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pos += 4;
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} // else throw exception?
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break;
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default:
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element.append(c);
|
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break;
|
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}
|
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}
|
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}
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else
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element.append(c);
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}
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put(key.toString(), element.toString());
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}
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}
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/**
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* Calls <code>store(OutputStream out, String header)</code> and
|
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* ignores the IOException that may be thrown.
|
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* @deprecated use store instead.
|
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* @exception ClassCastException if this property contains any key or
|
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* value that isn't a string.
|
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*
|
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* @param out the stream to write to
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* @param header a description of the property list
|
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* @throws ClassCastException if this property contains any key or
|
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* value that are not strings
|
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* @deprecated use {@link #store(OutputStream, String)} instead
|
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*/
|
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public void save(OutputStream out, String header)
|
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{
|
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try
|
||||
{
|
||||
store(out, header);
|
||||
store(out, header);
|
||||
}
|
||||
catch (IOException ex)
|
||||
{
|
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|
|
@ -294,13 +336,14 @@ public class Properties extends Hashtable
|
|||
}
|
||||
|
||||
/**
|
||||
* Writes the key/value pairs to the given output stream. <br>
|
||||
* Writes the key/value pairs to the given output stream, in a format
|
||||
* suitable for <code>load</code>.<br>
|
||||
*
|
||||
* If header is not null, this method writes a comment containing
|
||||
* the header as first line to the stream. The next line (or first
|
||||
* line if header is null) contains a comment with the current date.
|
||||
* Afterwards the key/value pairs are written to the stream in the
|
||||
* following format. <br>
|
||||
* following format.<br>
|
||||
*
|
||||
* Each line has the form <code>key = value</code>. Newlines,
|
||||
* Returns and tabs are written as <code>\n,\t,\r</code> resp.
|
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|
|
@ -308,47 +351,42 @@ public class Properties extends Hashtable
|
|||
* preceeded by a backslash. Spaces are preceded with a backslash,
|
||||
* if and only if they are at the beginning of the key. Characters
|
||||
* that are not in the ascii range 33 to 127 are written in the
|
||||
* <code>\</code><code>u</code>xxxx Form.
|
||||
* <code>\</code><code>u</code>xxxx Form.<br>
|
||||
*
|
||||
* Following the listing, the output stream is flushed but left open.
|
||||
*
|
||||
* @param out the output stream
|
||||
* @param header the header written in the first line, may be null.
|
||||
* @exception ClassCastException if this property contains any key or
|
||||
* value that isn't a string.
|
||||
* @param header the header written in the first line, may be null
|
||||
* @throws ClassCastException if this property contains any key or
|
||||
* value that isn't a string
|
||||
* @throws IOException if writing to the stream fails
|
||||
* @throws NullPointerException if out is null
|
||||
* @since 1.2
|
||||
*/
|
||||
public void store(OutputStream out, String header) throws IOException
|
||||
{
|
||||
// The spec says that the file must be encoded using ISO-8859-1.
|
||||
PrintWriter writer
|
||||
= new PrintWriter(new OutputStreamWriter (out, "ISO-8859-1"));
|
||||
= new PrintWriter(new OutputStreamWriter(out, "ISO-8859-1"));
|
||||
if (header != null)
|
||||
writer.println("#" + header);
|
||||
writer.println("#" + new Date().toString());
|
||||
writer.println("#" + new Date());
|
||||
list(writer);
|
||||
writer.flush();
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds the given key/value pair to this properties. This calls
|
||||
* the hashtable method put.
|
||||
* @param key the key for this property
|
||||
* @param value the value for this property
|
||||
* @return The old value for the given key.
|
||||
* @since JDK1.2 */
|
||||
public Object setProperty(String key, String value)
|
||||
{
|
||||
return put(key, value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the property with the specified key in this property list.
|
||||
* If the key is not found, the default property list is searched.
|
||||
* If the property is not found in default or the default of
|
||||
* default, null is returned.
|
||||
* @param key The key for this property.
|
||||
* @param defaulValue A default value
|
||||
* @return The value for the given key, or null if not found.
|
||||
* @exception ClassCastException if this property contains any key or
|
||||
* value that isn't a string.
|
||||
* If the property is not found in the default, null is returned.
|
||||
*
|
||||
* @param key The key for this property
|
||||
* @return the value for the given key, or null if not found
|
||||
* @throws ClassCastException if this property contains any key or
|
||||
* value that isn't a string
|
||||
* @see #defaults
|
||||
* @see #setProperty(String, String)
|
||||
* @see #getProperty(String, String)
|
||||
*/
|
||||
public String getProperty(String key)
|
||||
{
|
||||
|
|
@ -358,13 +396,16 @@ public class Properties extends Hashtable
|
|||
/**
|
||||
* Gets the property with the specified key in this property list. If
|
||||
* the key is not found, the default property list is searched. If the
|
||||
* property is not found in default or the default of default, the
|
||||
* specified defaultValue is returned.
|
||||
* @param key The key for this property.
|
||||
* @param defaulValue A default value
|
||||
* @return The value for the given key.
|
||||
* @exception ClassCastException if this property contains any key or
|
||||
* value that isn't a string.
|
||||
* property is not found in the default, the specified defaultValue is
|
||||
* returned.
|
||||
*
|
||||
* @param key The key for this property
|
||||
* @param defaultValue A default value
|
||||
* @return The value for the given key
|
||||
* @throws ClassCastException if this property contains any key or
|
||||
* value that isn't a string
|
||||
* @see #defaults
|
||||
* @see #setProperty(String, String)
|
||||
*/
|
||||
public String getProperty(String key, String defaultValue)
|
||||
{
|
||||
|
|
@ -372,184 +413,145 @@ public class Properties extends Hashtable
|
|||
// Eliminate tail recursion.
|
||||
do
|
||||
{
|
||||
String value = (String) prop.get(key);
|
||||
if (value != null)
|
||||
return value;
|
||||
prop = prop.defaults;
|
||||
String value = (String) prop.get(key);
|
||||
if (value != null)
|
||||
return value;
|
||||
prop = prop.defaults;
|
||||
}
|
||||
while (prop != null);
|
||||
return defaultValue;
|
||||
}
|
||||
|
||||
private final void addHashEntries(Hashtable base)
|
||||
{
|
||||
if (defaults != null)
|
||||
defaults.addHashEntries(base);
|
||||
Enumeration keys = keys();
|
||||
while (keys.hasMoreElements())
|
||||
base.put(keys.nextElement(), base);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an enumeration of all keys in this property list, including
|
||||
* the keys in the default property list.
|
||||
*
|
||||
* @return an Enumeration of all defined keys
|
||||
*/
|
||||
public Enumeration propertyNames()
|
||||
{
|
||||
// We make a new Hashtable that holds all the keys. Then we
|
||||
// return an enumeration for this hash. We do this because we
|
||||
// don't want modifications to be reflected in the enumeration
|
||||
// (per JCL), and because there doesn't seem to be a
|
||||
// particularly better way to ensure that duplicates are
|
||||
// ignored.
|
||||
Hashtable t = new Hashtable();
|
||||
addHashEntries(t);
|
||||
return t.keys();
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats a key/value pair for output in a properties file.
|
||||
* See store for a description of the format.
|
||||
* @param key the key.
|
||||
* @param value the value.
|
||||
* @see #store
|
||||
*/
|
||||
private String formatForOutput(String key, String value)
|
||||
{
|
||||
// This is a simple approximation of the expected line size.
|
||||
StringBuffer result =
|
||||
new StringBuffer(key.length() + value.length() + 16);
|
||||
boolean head = true;
|
||||
for (int i = 0; i < key.length(); i++)
|
||||
// We make a new Set that holds all the keys, then return an enumeration
|
||||
// for that. This prevents modifications from ruining the enumeration,
|
||||
// as well as ignoring duplicates.
|
||||
Properties prop = this;
|
||||
Set s = new HashSet();
|
||||
// Eliminate tail recursion.
|
||||
do
|
||||
{
|
||||
char c = key.charAt(i);
|
||||
switch (c)
|
||||
{
|
||||
case '\n':
|
||||
result.append("\\n");
|
||||
break;
|
||||
case '\r':
|
||||
result.append("\\r");
|
||||
break;
|
||||
case '\t':
|
||||
result.append("\\t");
|
||||
break;
|
||||
case '\\':
|
||||
result.append("\\\\");
|
||||
break;
|
||||
case '!':
|
||||
result.append("\\!");
|
||||
break;
|
||||
case '#':
|
||||
result.append("\\#");
|
||||
break;
|
||||
case '=':
|
||||
result.append("\\=");
|
||||
break;
|
||||
case ':':
|
||||
result.append("\\:");
|
||||
break;
|
||||
case ' ':
|
||||
result.append("\\ ");
|
||||
break;
|
||||
default:
|
||||
if (c < 32 || c > '~')
|
||||
{
|
||||
String hex = Integer.toHexString(c);
|
||||
result.append("\\u0000".substring(0, 6 - hex.length()));
|
||||
result.append(hex);
|
||||
}
|
||||
else
|
||||
result.append(c);
|
||||
}
|
||||
if (c != 32)
|
||||
head = false;
|
||||
s.addAll(prop.keySet());
|
||||
prop = prop.defaults;
|
||||
}
|
||||
result.append('=');
|
||||
head = true;
|
||||
for (int i = 0; i < value.length(); i++)
|
||||
{
|
||||
char c = value.charAt(i);
|
||||
switch (c)
|
||||
{
|
||||
case '\n':
|
||||
result.append("\\n");
|
||||
break;
|
||||
case '\r':
|
||||
result.append("\\r");
|
||||
break;
|
||||
case '\t':
|
||||
result.append("\\t");
|
||||
break;
|
||||
case '\\':
|
||||
result.append("\\\\");
|
||||
break;
|
||||
case '!':
|
||||
result.append("\\!");
|
||||
break;
|
||||
case '#':
|
||||
result.append("\\#");
|
||||
break;
|
||||
case ' ':
|
||||
result.append(head ? "\\ " : " ");
|
||||
break;
|
||||
default:
|
||||
if (c < 32 || c > '~')
|
||||
{
|
||||
String hex = Integer.toHexString(c);
|
||||
result.append("\\u0000".substring(0, 6 - hex.length()));
|
||||
result.append(hex);
|
||||
}
|
||||
else
|
||||
result.append(c);
|
||||
}
|
||||
if (c != 32)
|
||||
head = false;
|
||||
}
|
||||
return result.toString();
|
||||
while (prop != null);
|
||||
return Collections.enumeration(s);
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes the key/value pairs to the given print stream. They are
|
||||
* written in the way, described in the method store.
|
||||
* @param out the stream, where the key/value pairs are written to.
|
||||
* @exception ClassCastException if this property contains any key or
|
||||
* value that isn't a string.
|
||||
* @see #store
|
||||
* written in the way described in the method store. This does not visit
|
||||
* the keys in the default properties.
|
||||
*
|
||||
* @param out the stream, where the key/value pairs are written to
|
||||
* @throws ClassCastException if this property contains any key or
|
||||
* value that isn't a string
|
||||
* @see #store(OutputStream, String)
|
||||
*/
|
||||
public void list(PrintStream out)
|
||||
{
|
||||
Enumeration keys = keys();
|
||||
Enumeration elts = elements();
|
||||
while (keys.hasMoreElements())
|
||||
Iterator iter = entrySet().iterator();
|
||||
int i = size();
|
||||
StringBuffer s = new StringBuffer(); // Reuse the same buffer.
|
||||
while (--i >= 0)
|
||||
{
|
||||
String key = (String) keys.nextElement();
|
||||
String elt = (String) elts.nextElement();
|
||||
String output = formatForOutput(key, elt);
|
||||
out.println(output);
|
||||
Map.Entry entry = (Map.Entry) iter.next();
|
||||
formatForOutput((String) entry.getKey(), s, true);
|
||||
s.append('=');
|
||||
formatForOutput((String) entry.getValue(), s, false);
|
||||
out.println(s);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Writes the key/value pairs to the given print writer. They are
|
||||
* written in the way, described in the method store.
|
||||
* @param out the writer, where the key/value pairs are written to.
|
||||
* @exception ClassCastException if this property contains any key or
|
||||
* value that isn't a string.
|
||||
* @see #store
|
||||
* @see #list(java.io.PrintStream)
|
||||
* @since JDK1.1
|
||||
*
|
||||
* @param out the writer, where the key/value pairs are written to
|
||||
* @throws ClassCastException if this property contains any key or
|
||||
* value that isn't a string
|
||||
* @see #store(OutputStream, String)
|
||||
* @see #list(PrintStream)
|
||||
* @since 1.1
|
||||
*/
|
||||
public void list(PrintWriter out)
|
||||
{
|
||||
Enumeration keys = keys();
|
||||
Enumeration elts = elements();
|
||||
while (keys.hasMoreElements())
|
||||
Iterator iter = entrySet().iterator();
|
||||
int i = size();
|
||||
StringBuffer s = new StringBuffer(); // Reuse the same buffer.
|
||||
while (--i >= 0)
|
||||
{
|
||||
String key = (String) keys.nextElement();
|
||||
String elt = (String) elts.nextElement();
|
||||
String output = formatForOutput(key, elt);
|
||||
out.println(output);
|
||||
Map.Entry entry = (Map.Entry) iter.next();
|
||||
formatForOutput((String) entry.getKey(), s, true);
|
||||
s.append('=');
|
||||
formatForOutput((String) entry.getValue(), s, false);
|
||||
out.println(s);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Formats a key or value for output in a properties file.
|
||||
* See store for a description of the format.
|
||||
*
|
||||
* @param str the string to format
|
||||
* @param buffer the buffer to add it to
|
||||
* @param key true if all ' ' must be escaped for the key, false if only
|
||||
* leading spaces must be escaped for the value
|
||||
* @see #store(OutputStream, String)
|
||||
*/
|
||||
private void formatForOutput(String str, StringBuffer buffer, boolean key)
|
||||
{
|
||||
if (key)
|
||||
{
|
||||
buffer.setLength(0);
|
||||
buffer.ensureCapacity(str.length());
|
||||
}
|
||||
else
|
||||
buffer.ensureCapacity(buffer.length() + str.length());
|
||||
boolean head = true;
|
||||
int size = str.length();
|
||||
for (int i = 0; i < size; i++)
|
||||
{
|
||||
char c = str.charAt(i);
|
||||
switch (c)
|
||||
{
|
||||
case '\n':
|
||||
buffer.append("\\n");
|
||||
break;
|
||||
case '\r':
|
||||
buffer.append("\\r");
|
||||
break;
|
||||
case '\t':
|
||||
buffer.append("\\t");
|
||||
break;
|
||||
case ' ':
|
||||
buffer.append(head ? "\\ " : " ");
|
||||
break;
|
||||
case '\\':
|
||||
case '!':
|
||||
case '#':
|
||||
case '=':
|
||||
case ':':
|
||||
buffer.append('\\').append(c);
|
||||
default:
|
||||
if (c < ' ' || c > '~')
|
||||
{
|
||||
String hex = Integer.toHexString(c);
|
||||
buffer.append("\\u0000".substring(0, 6 - hex.length()));
|
||||
buffer.append(hex);
|
||||
}
|
||||
else
|
||||
buffer.append(c);
|
||||
}
|
||||
if (c != ' ')
|
||||
head = key;
|
||||
}
|
||||
}
|
||||
} // class Properties
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue