    001// Copyright 2006, 2007 The Apache Software Foundation
    002//
    003// Licensed under the Apache License, Version 2.0 (the "License");
    004// you may not use this file except in compliance with the License.
    005// You may obtain a copy of the License at
    006//
    007//     http://www.apache.org/licenses/LICENSE-2.0
    008//
    009// Unless required by applicable law or agreed to in writing, software
    010// distributed under the License is distributed on an "AS IS" BASIS,
    011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012// See the License for the specific language governing permissions and
    013// limitations under the License.
    014
    015package org.apache.tapestry5.internal.util;
    016
    017import java.io.PrintWriter;
    018import java.io.StringWriter;
    019
    020/**
    021 * Utility for collecting the output of a {@link java.io.PrintWriter}.
    022 */
    023public class PrintOutCollector
    024{
    025    private final StringWriter stringWriter;
    026
    027    private PrintWriter printWriter;
    028
    029    public PrintOutCollector()
    030    {
    031        stringWriter = new StringWriter();
    032        printWriter = new PrintWriter(stringWriter);
    033    }
    034
    035    public PrintWriter getPrintWriter()
    036    {
    037        return printWriter;
    038    }
    039
    040    /**
    041     * Closes the {@link PrintWriter} and returns the accumulated text output.
    042     */
    043    public String getPrintOut()
    044    {
    045        printWriter.close();
    046        return stringWriter.toString();
    047
    048    }
    049
    050}