org.identityconnectors.common.StringPrintWriter Maven / Gradle / Ivy
/*
* ====================
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of the Common Development
* and Distribution License("CDDL") (the "License"). You may not use this file
* except in compliance with the License.
*
* You can obtain a copy of the License at
* http://IdentityConnectors.dev.java.net/legal/license.txt
* See the License for the specific language governing permissions and limitations
* under the License.
*
* When distributing the Covered Code, include this CDDL Header Notice in each file
* and include the License file at identityconnectors/legal/license.txt.
* If applicable, add the following below this CDDL Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
* ====================
*/
package org.identityconnectors.common;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
/**
* Simple extension of PrintWriter so you don't have to create a StringWriter to
* pass to it, when you want the functionality of PrintWriter but you want it in
* a buffer.
*/
public class StringPrintWriter extends PrintWriter {
// =======================================================================
// Constants
// =======================================================================
private static final int DEFAULT_SIZE = 256;
// =======================================================================
// Fields
// =======================================================================
final private int _initialSize;
/**
* Create with the default initial size.
*/
public StringPrintWriter() {
this(DEFAULT_SIZE);
}
/**
* Create with an initialize size with the parameter supplied..
*/
public StringPrintWriter(final int initSize) {
super(new StringWriter(initSize));
_initialSize = initSize;
}
/**
* Return the string in the internal string writer.
*/
public String getString() {
flush();
return ((StringWriter) out).toString();
}
/**
* Return a reader for the accumulated string.
*/
public Reader getReader() {
return new StringReader(getString());
}
/**
* Call println for every string in the array.
*/
public void println(final String[] value) {
assert value != null;
for (int i = 0; i < value.length; i++) {
assert value[i] != null;
println(value[i]);
}
}
/**
* Call print for every string in the array.
*
* @throws NullPointerException
* iff value is null.
*/
public void print(final String[] value) {
for (int i = 0; i < value.length; i++) {
assert value[i] != null;
print(value[i]);
}
}
/**
* Clear out the underlying string writer.
*/
public void clear() {
// replace the current string writer..
out = new StringWriter(_initialSize);
}
}