/**
 *
 *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
 *
 *  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 org.apache.tuscany.binding.jsonrpc.handler;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

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

public class ScriptGetterServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;
    
    private static final String SCA_INIT_JS = "SCA = new JSONRpcClient(\"SCA/jsonrpc\");";

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
        URL url = getClass().getResource("jsonrpc.js");
        InputStream is = url.openStream();
        writeToStream(response, is);

        writeToStream(response, new ByteArrayInputStream(SCA_INIT_JS.getBytes()));
    }

    private void writeToStream(HttpServletResponse response, InputStream is) throws IOException {
        ServletOutputStream os = response.getOutputStream();
        int i;
        while ((i = is.read()) != -1) {
            os.write(i);
        }
    }

}