net.hillsdon.reviki.web.handlers.StreamView.java Source code

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Here is the source code for net.hillsdon.reviki.web.handlers.StreamView.java

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/**
 * Copyright 2008 Matthew Hillsdon
 *
 * Licensed 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 net.hillsdon.reviki.web.handlers;

import java.io.InputStream;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;

import net.hillsdon.reviki.web.common.View;

/**
 * Render a stream with a given content type.
 *
 * @author msw
 */
public class StreamView implements View {
    private final String _mimeType;

    private final InputStream _contents;

    /**
     * @param mimeType The content type of the page (eg, "application/xml").
     * @param contents Source of the response body.
     */
    public StreamView(final String mimeType, final InputStream contents) {
        _mimeType = mimeType;
        _contents = contents;
    }

    public void render(final HttpServletRequest request, final HttpServletResponse response) throws Exception {
        response.setContentType(_mimeType);
        IOUtils.copy(_contents, response.getOutputStream());
    }
}