Added plaincharset as sub-project.

git-svn-id: http://svn.codehaus.org/jruby/trunk@2375 961051c9-f516-0410-bf72-c9f7e237a7b7

plaincharset/build.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<project basedir="." default="jar" name="PlainCharset">
+  <description></description>
+  <property file="build.properties"/>
+  <property file="default.build.properties"/>
+
+  <path id="build.classpath">
+    <fileset dir="${lib.dir}" includes="*.jar" excludes="plaincharset.jar"/>
+  </path>
+
+  <patternset id="java.src.pattern">
+    <include name="**/*.java"/>
+  </patternset>
+
+  <target name="prepare" description="Creates the directories needed for building">
+    <mkdir dir="${build.dir}"/>
+    <mkdir dir="${classes.dir}"/>
+    <mkdir dir="${charset.classes.dir}"/>
+  </target>
+
+  <target name="compile" depends="prepare" description="Compile the source files for the project.">
+    <javac destdir="${charset.classes.dir}" debug="true" source="${javac.version}">
+      <classpath refid="build.classpath"/>
+      <src path="${src.dir}"/>
+      <patternset refid="java.src.pattern"/>
+    </javac>
+  </target>
+
+  <target name="jar" depends="compile" description="Create the plaincharset.jar file">
+    <jar destfile="${lib.dir}/plaincharset.jar">
+      <metainf dir="src">
+        <include name="services/*"/>
+      </metainf>
+      <fileset dir="${charset.classes.dir}">
+        <include name="**/*.class"/>
+        <include name="**/*.properties"/>
+      </fileset>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+      </manifest>
+    </jar>
+  </target>
+
+  <target name="clean" depends="prepare" description="clean almost everything">
+    <delete dir="${build.dir}"/>
+    <delete file="${lib.dir}/plaincharset.jar" quiet="true"/>
+  </target>
+</project>

plaincharset/default.build.properties

@@ -0,0 +1,9 @@
+# Defaults. To override, create a file called build.properties in
+#  the same directory and put your changes in that.
+src.dir=src/java
+lib.dir=lib
+build.dir=build
+classes.dir=${build.dir}/classes
+charset.classes.dir=${classes.dir}/charset
+docs.dir=docs
+javac.version=1.4

plaincharset/src/java/org/jruby/charset/PlainCharset.java

@@ -0,0 +1,58 @@
+package org.jruby.charset;
+
+import java.util.Iterator;
+
+import java.nio.CharBuffer;
+import java.nio.ByteBuffer;
+
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CoderResult;
+
+public class PlainCharset extends Charset {
+    public PlainCharset() {
+        super("PLAIN", new String[0]);
+    }
+    public boolean contains(final Charset chs) {
+        return chs instanceof PlainCharset;
+    }
+
+    public CharsetDecoder newDecoder() {
+        return new PlainCharsetDecoder(this);
+    }
+
+    public CharsetEncoder newEncoder() {
+        return new PlainCharsetEncoder(this);
+    }
+
+    private static class PlainCharsetDecoder extends CharsetDecoder {
+        PlainCharsetDecoder(final PlainCharset charset) {
+            super(charset,1F,1F);
+        }
+        public CoderResult decodeLoop(final ByteBuffer in, final CharBuffer out) {
+            while(in.remaining() > 0 && out.remaining() > 0) {
+                out.put((char)in.get());
+            }
+            if(in.remaining() > 0) {
+                return CoderResult.OVERFLOW;
+            }
+            return CoderResult.UNDERFLOW;
+        }
+    }
+
+    private static class PlainCharsetEncoder extends CharsetEncoder {
+        PlainCharsetEncoder(final PlainCharset charset) {
+            super(charset,1F,1F);
+        }
+        public CoderResult encodeLoop(final CharBuffer in, final ByteBuffer out) {
+            while(in.remaining() > 0 && out.remaining() > 0) {
+                out.put((byte)in.get());
+            }
+            if(in.remaining() > 0) {
+                return CoderResult.OVERFLOW;
+            }
+            return CoderResult.UNDERFLOW;
+        }
+    }
+}

plaincharset/src/java/org/jruby/charset/PlainCharsetProvider.java

@@ -0,0 +1,32 @@
+package org.jruby.charset;
+
+import java.util.Iterator;
+
+import java.nio.charset.Charset;
+import java.nio.charset.spi.CharsetProvider;
+
+public class PlainCharsetProvider extends CharsetProvider {
+    public Charset charsetForName(final String name) {
+        if(name.compareToIgnoreCase("plain") == 0) {
+            return new PlainCharset();
+        }
+        return null;
+    }
+    private static class CharsetIterator implements Iterator {
+        private boolean next = true;
+        public boolean hasNext() {
+            return next;
+        }
+
+        public Object next() {
+            next = false;
+            return new PlainCharset();
+        }
+        public void remove() {
+        }
+    }
+
+    public Iterator charsets() {
+        return new CharsetIterator();
+    }
+}

plaincharset/src/services/java.nio.charset.spi.CharsetProvider

@@ -0,0 +1 @@
+org.jruby.charset.PlainCharsetProvider