/*
* This is part of Geomajas, a GIS framework, http://www.geomajas.org/.
*
* Copyright 2008-2011 Geosparc nv, http://www.geosparc.com/, Belgium.
*
* The program is available in open source according to the GNU Affero
* General Public License. All contributions in this program are covered
* by the Geomajas Contributors License Agreement. For full licensing
* details, see LICENSE.txt in the project root.
*/
package org.geomajas.example.gwt.server.samples;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import org.geomajas.command.Command;
import org.geomajas.example.gwt.client.samples.base.GetResourcesRequest;
import org.geomajas.example.gwt.client.samples.base.GetResourcesResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
import org.springframework.util.ResourceUtils;
/**
* <p>
* Retrieve the contents of one or more resources on the class-path.
* </p>
*
* @author Pieter De Graef
*/
@Component
public class GetSourceCommand implements Command<GetResourcesRequest, GetResourcesResponse> {
@Autowired
private ApplicationContext context;
public void execute(GetResourcesRequest request, GetResourcesResponse response) throws Exception {
if (request != null && request.getResources() != null) {
Map<String, String> resources = new HashMap<String, String>();
for (int i = 0; i < request.getResources().length; i++) {
File file = ResourceUtils.getFile(request.getResources()[i]);
if (!file.exists()) {
file = context.getResource(request.getResources()[i]).getFile();
}
InputStream in = new FileInputStream(file);
if (in != null) {
String content = new String(read(in), "UTF-8");
resources.put(request.getResources()[i], content);
} else {
throw new IllegalArgumentException("Resource file " + request.getResources()[i]
+ " could not be found.");
}
}
response.setResources(resources);
}
}
public GetResourcesResponse getEmptyCommandResponse() {
return new GetResourcesResponse();
}
// Private methods:
private byte[] read(InputStream in) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream(32768);
byte[] buffer = new byte[1024];
int count = in.read(buffer);
while (count != -1) {
if (count != 0) {
out.write(buffer, 0, count);
}
count = in.read(buffer);
}
in.close();
return out.toByteArray();
}
}