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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 org.apache.tuscany.sca.web.javascript.dojo;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLDecoder;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.tuscany.sca.common.http.HTTPConstants;
import org.apache.tuscany.sca.common.http.HTTPContentTypeMapper;
import org.apache.tuscany.sca.common.http.HTTPUtils;
/**
* A Resource servlet used to serve dojo files
*
* @version $Rev$ $Date$
*/
public class DojoResourceServlet extends HttpServlet {
private static final long serialVersionUID = -4743631858548812340L;
public DojoResourceServlet() {
}
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
String contextRoot = URLDecoder.decode(HTTPUtils.getContextRoot(request), HTTPConstants.CHARACTER_ENCODING_UTF8);
String path = URLDecoder.decode(request.getRequestURI(), HTTPConstants.CHARACTER_ENCODING_UTF8);
if( path.startsWith(contextRoot + "/dojo") ||
path.startsWith(contextRoot + "/dojox") ||
path.startsWith(contextRoot + "/dijit")) {
//is they are dojo modules
if( (! path.contains("tuscany/AtomService.js")) &&
(! path.contains("tuscany/RestService.js")) ) {
//this is a workaround where we need to have dojo files in its own folder
//to avoid clean target to clean other non dojo resources
path = path.substring(contextRoot.length());
path = "/dojo" + path;
}
} else if (path.startsWith(contextRoot)) {
path = path.substring(contextRoot.length() + 1);
} else if( path.startsWith("/")) {
path = path.substring(1);
}
if(response.getContentType() == null || response.getContentType().length() == 0){
// Calculate content-type based on extension
String contentType = HTTPContentTypeMapper.getContentType(path);
if(contentType != null && contentType.length() >0) {
response.setContentType(contentType);
}
}
response.setCharacterEncoding(HTTPConstants.CHARACTER_ENCODING_UTF8);
// Write the response from the service implementation to the response
// output stream
InputStream is = this.getClass().getClassLoader().getResourceAsStream(path);
if (is == null) {
is = this.getClass().getResourceAsStream(path);
}
if(is != null) {
OutputStream os = response.getOutputStream();
byte[] buffer = new byte[2048];
for (;;) {
int n = is.read(buffer);
if (n <= 0)
break;
os.write(buffer, 0, n);
}
os.flush();
os.close();
}
}
}
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