jlibs.core.io.CharArrayWriter2 Maven / Gradle / Ivy
/**
* Copyright 2015 Santhosh Kumar Tekuri
*
* The JLibs authors license this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package jlibs.core.io;
import jlibs.core.lang.CharArray;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.Reader;
import java.util.Arrays;
/**
* This is an extension of {@link java.io.CharArrayWriter}.
*
* You can get access to the internal char buffer using
* {@link #toCharSequence()}
*
* @author Santhosh Kumar T
*/
public class CharArrayWriter2 extends CharArrayWriter{
public CharArrayWriter2(){}
public CharArrayWriter2(int initialSize){
super(initialSize);
}
public CharArrayWriter2(Reader reader, int readBuffSize, boolean close) throws IOException{
super(readBuffSize);
readFrom(reader, readBuffSize, close);
}
/**
* Returns the input data as {@link CharArray}.
* Note that the internal buffer is not copied.
*/
public CharArray toCharSequence(){
return new CharArray(buf, 0, size());
}
public int readFrom(Reader reader, int readBuffSize, boolean close) throws IOException{
int oldSize = size();
try{
while(true){
int bufAvailable = buf.length-size();
if(bufAvailable