com.zilverline.MockHandler.java Source code

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Here is the source code for com.zilverline.MockHandler.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses 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 com.zilverline;

import java.io.IOException;

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

import org.apache.commons.io.IOUtils;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.springframework.core.io.Resource;

/**
 * 
 *
 */
public class MockHandler extends AbstractHandler {

    /*
     * The resource of the (XML, JSON etc) file that should be returned. It must
     * be accessible from the classpath (e.g. test/resources/xxx.json)
     */
    private Resource responseResource;

    /*
     * Check the response to render back
     */
    private void invariant() {
        if (this.responseResource == null) {
            throw new RuntimeException("No responseResource set");
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jetty.server.Handler#handle(java.lang.String,
     * org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest,
     * javax.servlet.http.HttpServletResponse)
     */
    @Override
    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
            throws IOException, ServletException {
        invariant();
        ServletOutputStream outputStream = response.getOutputStream();
        IOUtils.copy(responseResource.getInputStream(), outputStream);
        outputStream.flush();
    }

    /**
     * @param responseResource2
     */
    public void setResponseResource(Resource responseResource) {
        this.responseResource = responseResource;
    }

}