--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.argeo.eclipse.ui.specific;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.rap.rwt.RWT;
+import org.eclipse.rap.rwt.client.service.UrlLauncher;
+
+/**
+ * Rap specific handler to open a file stored in the server file system, among
+ * other tmp files created for exports.
+ *
+ */
+public abstract class AbstractOpenFileHandler extends AbstractHandler {
+ private final static Log log = LogFactory
+ .getLog(AbstractOpenFileHandler.class);
+
+ // Must be declared by implementing classes
+ // public final static String ID = "org.argeo.eclipse.ui.specific.openFile";
+
+ public final static String PARAM_FILE_NAME = FileDownloadServiceHandler.PARAM_FILE_NAME;
+ public final static String PARAM_FILE_PATH = FileDownloadServiceHandler.PARAM_FILE_PATH;
+
+ public Object execute(ExecutionEvent event) throws ExecutionException {
+
+ // Try to register each time we execute the command.
+ // try {
+ // ServiceHandler handler = new FileDownloadServiceHandler();
+ // RWT.getServiceManager().registerServiceHandler(
+ // FileDownloadServiceHandler.DOWNLOAD_SERVICE_NAME, handler);
+ // } catch (IllegalArgumentException iae) {
+ // log.warn("Handler is already registered, clean this registering process");
+ // }
+
+ // The real usefull handler
+ String fileName = event.getParameter(PARAM_FILE_NAME);
+ String filePath = event.getParameter(PARAM_FILE_PATH);
+
+ StringBuilder url = new StringBuilder();
+ url.append("&").append(PARAM_FILE_NAME).append("=");
+ url.append(fileName);
+ url.append("&").append(PARAM_FILE_PATH).append("=");
+ url.append(filePath);
+
+ String downloadUrl = RWT.getServiceManager().getServiceHandlerUrl(
+ getDownloadServiceHandlerId())
+ + url.toString();
+ if (log.isTraceEnabled())
+ log.debug("URL : " + downloadUrl);
+
+ UrlLauncher launcher = RWT.getClient().getService(UrlLauncher.class);
+ launcher.openURL(downloadUrl);
+
+ // These lines are useless in the current use case but might be
+ // necessary with new browsers. Stored here for memo
+ // response.setContentType("application/force-download");
+ // response.setHeader("Content-Disposition", contentDisposition);
+ // response.setHeader("Content-Transfer-Encoding", "binary");
+ // response.setHeader("Pragma", "no-cache");
+ // response.setHeader("Cache-Control", "no-cache, must-revalidate");
+ return null;
+ }
+
+ protected abstract String getDownloadServiceHandlerId();
+}
\ No newline at end of file
--- /dev/null
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * 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.argeo.eclipse.ui.specific;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.io.FileUtils;
+import org.argeo.ArgeoException;
+import org.eclipse.rap.rwt.service.ServiceHandler;
+
+/** Provide a basic handler that returns a file from the file system in Rap. */
+public class FileDownloadServiceHandler implements ServiceHandler {
+ private final String downloadServicehandlerId;
+ public final static String PARAM_FILE_NAME = "param.fileName";
+ public final static String PARAM_FILE_PATH = "param.filePath";
+
+ public FileDownloadServiceHandler(String downloadServicehandlerId) {
+ this.downloadServicehandlerId = downloadServicehandlerId;
+ }
+
+ public void service(HttpServletRequest request, HttpServletResponse response)
+ throws IOException, ServletException {
+ String fileName = request.getParameter(PARAM_FILE_NAME);
+ String path = request.getParameter(PARAM_FILE_PATH);
+
+ // Get the file
+ File file = new File(path);
+
+ // Send the Metadata
+ response.setContentType("application/octet-stream");
+ response.setContentLength((int) file.length());
+ String contentDisposition = "attachment; filename=\"" + fileName + "\"";
+ response.setHeader("Content-Disposition", contentDisposition);
+
+ try {
+ response.getOutputStream().write(
+ FileUtils.readFileToByteArray(new File(path)));
+ } catch (IOException ioe) {
+ throw new ArgeoException("Error while writing the file " + fileName
+ + " to the servlet response", ioe);
+ }
+ }
+
+ public String getDownloadServiceHandlerId(){
+ return downloadServicehandlerId;
+ }
+}
\ No newline at end of file
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
+import org.argeo.ArgeoException;
import org.eclipse.rap.rwt.RWT;
import org.eclipse.rap.rwt.client.service.UrlLauncher;
import org.eclipse.rap.rwt.service.ServiceHandler;
public FileHandler(FileProvider provider) {
ServiceHandler handler = new DownloadServiceHandler(provider);
- RWT.getServiceManager().registerServiceHandler(DOWNLOAD_SERVICE_NAME,
- handler);
+ try {
+ RWT.getServiceManager().registerServiceHandler(
+ DOWNLOAD_SERVICE_NAME, handler);
+ } catch (IllegalArgumentException iae) {
+ log.warn("Handler is already registered, clean this registering process");
+ }
}
public void openFile(String fileName, String fileId) {
try {
String downloadUrl = RWT.getServiceManager().getServiceHandlerUrl(
DOWNLOAD_SERVICE_NAME)
- + createParamUrl(fileName, fileId);
+ + createParamUrl(fileName, fileId);
if (log.isTraceEnabled())
log.debug("URL : " + downloadUrl);
UrlLauncher launcher = RWT.getClient()
.getService(UrlLauncher.class);
launcher.openURL(downloadUrl);
} catch (Exception e) {
- e.printStackTrace();
+ throw new ArgeoException("Unable to open file " + fileName, e);
}
// These lines are useless in the current use case but might be
// necessary with new browsers. Stored here for memo
projects / lgpl / argeo-commons.git / commitdiff