com.sun.faces.application.WebPrintWriter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javax.faces Show documentation
Show all versions of javax.faces Show documentation
This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.faces.application;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
/**
* A simple PrintWriter implementation to allow us to query
* whether or not the writer has been flushed or closed. This is necessary
* to better mimic the actual Servlet response.
*/
public class WebPrintWriter extends PrintWriter {
public static final Writer NOOP_WRITER = new NoOpWriter();
private boolean committed;
public WebPrintWriter(Writer delegate) {
super(delegate);
}
@Override
public void close() {
committed = true;
}
@Override
public void flush() {
committed = true;
}
public boolean isComitted() {
return committed;
}
// ----------------------------------------------------------- Inner Classes
private static class NoOpWriter extends Writer {
public NoOpWriter() {}
public void write(char cbuf[], int off, int len) throws IOException {
// no-op
}
public void flush() throws IOException {
// no-op
}
public void close() throws IOException {
// no-op
}
protected NoOpWriter(Object lock) {
// no-op
}
@Override
public void write(int c) throws IOException {
// no-op
}
@Override
public void write(char cbuf[]) throws IOException {
// no-op
}
@Override
public void write(String str) throws IOException {
// no-op
}
@Override
public void write(String str, int off, int len) throws IOException {
// no-op
}
@Override
public Writer append(CharSequence csq) throws IOException {
return this;
}
@Override
public Writer append(CharSequence csq, int start, int end)
throws IOException {
return this;
}
@Override
public Writer append(char c) throws IOException {
return this;
}
}
}