package org.argeo.eclipse.ui.specific;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
import java.io.InputStream;
-import java.io.OutputStream;
+import java.net.URL;
-import javax.servlet.http.HttpServletResponse;
-
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
import org.eclipse.rwt.RWT;
-
+import org.eclipse.rwt.service.IServiceHandler;
+import org.eclipse.rwt.service.IServiceManager;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * RAP SPECIFIC handler to enable the opening of a download dialog box triggered
+ * by whatever action in the UI
+ *
+ * Manages the registration of the effective DownloadServiceHandler at
+ * instantiation time.
+ *
+ * Manages the process of forwarding the request to the handler at runtime to
+ * open the dialog box
+ *
+ * @author bsinou
+ *
+ */
public class FileHandler {
- private static Log log = LogFactory.getLog(FileHandler.class);
+ private final static Log log = LogFactory.getLog(FileHandler.class);
+
+ public FileHandler(FileProvider provider) {
+ // Instantiate and register the DownloadServicHandler.
+ IServiceManager manager = RWT.getServiceManager();
+ IServiceHandler handler = new DownloadServiceHandler(provider);
+ manager.registerServiceHandler("downloadServiceHandler", handler);
- public FileHandler() {
}
- public void openFile(String fileName, InputStream is) {
+ public void openFile(String fileName, String fileId, InputStream is) {
+ try {
+ if (log.isDebugEnabled())
+ log.debug("URL : " + createFullDownloadUrl(fileName, fileId));
+
+ URL url = new URL(createFullDownloadUrl(fileName, fileId));
+ PlatformUI.getWorkbench().getBrowserSupport()
+ .createBrowser("DownloadDialog").openURL(url);
+
+ /*
+ * // New try : must define a service handler for the current file,
+ * // register it and redirect the URL to it.
+ *
+ * // workaround : create a tmp file. String prefix = "", suffix =
+ * ""; if (fileName != null) { int ind = fileName.lastIndexOf('.');
+ * if (ind > 0) { prefix = fileName.substring(0, ind); suffix =
+ * fileName.substring(ind); } }
+ *
+ * File tmpFile = createTmpFile(prefix, suffix, is);
+ * HttpServletResponse response = RWT.getResponse();
+ *
+ * DownloadHandler dh = new DownloadHandler(tmpFile.getName(),
+ * tmpFile, "application/pdf", fileName);
+ *
+ * log.debug("Got a DH : " + dh.toString());
+ *
+ * // TODO : should try with that. // String encodedURL =
+ * RWT.getResponse().encodeURL(url.toString());
+ * response.sendRedirect(dh.getURL());
+ */
+
+ // final Browser browser = new Browser(parent, SWT.NONE);
+ // browser.setText(createDownloadHtml("test.pdf", "Download file"));
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
// // Which file to download?
// String fileName = RWT.getRequest().getParameter( "filename" );
//
//
- try {
-
- // / workaround : create a tmp file.
- String prefix = "", suffix = "";
- if (fileName != null) {
- int ind = fileName.lastIndexOf('.');
- if (ind > 0) {
- prefix = fileName.substring(0, ind);
- suffix = fileName.substring(ind);
- }
- }
-
- File tmpFile = createTmpFile(prefix, suffix, is);
-
- // Send the file in the response
- HttpServletResponse response = RWT.getResponse();
- byte[] ba = null;
- ba = FileUtils.readFileToByteArray(tmpFile);
-
- response.setContentLength(ba.length);
-
- // String contentDisposition = "attachment; filename=\"" + fileName
- // + "\"";
- String contentDisposition = "attachment; filename=\"" + fileName
- + "\"";
- 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");
-
- // must-revalidate");
-
- if (log.isDebugEnabled()) {
- log.debug("Header Set ");
- }
-
- // header("Content-Type: application/force-download; name=\"".$localName."\"");
- // 852 header("Content-Transfer-Encoding: binary");
- // 853 if($gzip){
- // 854 header("Content-Encoding: gzip");
- // 855 // If gzip, recompute data size!
- // 856 $gzippedData =
- // ($data?gzencode($filePathOrData,9):gzencode(file_get_contents($filePathOrData),
- // 9));
- // 857 $size = strlen($gzippedData);
- // 858 }
- // 859 header("Content-Length: ".$size);
- // 860 if ($isFile && ($size != 0)) header("Content-Range: bytes 0-"
- // . ($size - 1) . "/" . $size . ";");
- // 861
- // header("Content-Disposition: attachment; filename=\"".$localName."\"");
- // 862 header("Expires: 0");
- // 863 header("Cache-Control: no-cache, must-revalidate");
- // 864 header("Pragma: no-cache");
-
- // IOUtils.copy(is, response.getOutputStream());
- response.getOutputStream().write(ba);
- // Error.show("In Open File for RAP.");
- } catch (IOException ioe) {
-
- throw new ArgeoException("Cannot copy input stream from file "
- + fileName + " to HttpServletResponse", ioe);
- }
+ /**
+ * try {
+ *
+ * // / workaround : create a tmp file. String prefix = "", suffix = "";
+ * if (fileName != null) { int ind = fileName.lastIndexOf('.'); if (ind
+ * > 0) { prefix = fileName.substring(0, ind); suffix =
+ * fileName.substring(ind); } }
+ *
+ * File tmpFile = createTmpFile(prefix, suffix, is);
+ *
+ * // Send the file in the response HttpServletResponse response =
+ * RWT.getResponse(); byte[] ba = null; ba =
+ * FileUtils.readFileToByteArray(tmpFile);
+ *
+ * long l = tmpFile.length();
+ *
+ * if (l < Integer.MIN_VALUE || l > Integer.MAX_VALUE) throw new
+ * ArgeoException("IllegalArgumentException : " + l +
+ * " cannot be cast to int without changing its value.");
+ * response.setContentLength((int) l);
+ *
+ * // response.setContentLength(ba.length);
+ *
+ * // String contentDisposition = "attachment; filename=\"" + fileName
+ * // + "\""; String contentDisposition = "attachment; filename=\"" +
+ * fileName + "\"";
+ * 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");
+ *
+ * // must-revalidate");
+ *
+ * if (log.isDebugEnabled()) { log.debug("Header Set "); }
+ *
+ * // header("Content-Type: application/force-download; name=\"".
+ * $localName."\""); // 852 header("Content-Transfer-Encoding: binary");
+ * // 853 if($gzip){ // 854 header("Content-Encoding: gzip"); // 855 //
+ * If gzip, recompute data size! // 856 $gzippedData = //
+ * ($data?gzencode
+ * ($filePathOrData,9):gzencode(file_get_contents($filePathOrData), //
+ * 9)); // 857 $size = strlen($gzippedData); // 858 } // 859
+ * header("Content-Length: ".$size); // 860 if ($isFile && ($size != 0))
+ * header("Content-Range: bytes 0-" // . ($size - 1) . "/" . $size .
+ * ";"); // 861 //
+ * header("Content-Disposition: attachment; filename=\"".
+ * $localName."\""); // 862 header("Expires: 0"); // 863
+ * header("Cache-Control: no-cache, must-revalidate"); // 864
+ * header("Pragma: no-cache");
+ *
+ * // IOUtils.copy(is, response.getOutputStream());
+ * response.getOutputStream().write(ba); //
+ * Error.show("In Open File for RAP.");
+ *
+ *
+ *
+ *
+ * } catch (IOException ioe) {
+ *
+ * throw new ArgeoException("Cannot copy input stream from file " +
+ * fileName + " to HttpServletResponse", ioe); }
+ */
}
- private File createTmpFile(String prefix, String suffix, InputStream is) {
- File tmpFile = null;
- OutputStream os = null;
- try {
- tmpFile = File.createTempFile(prefix, suffix);
- os = new FileOutputStream(tmpFile);
- IOUtils.copy(is, os);
- } catch (IOException e) {
- throw new ArgeoException("Cannot open file " + prefix + "."
- + suffix, e);
- } finally {
- IOUtils.closeQuietly(os);
- }
- return tmpFile;
+ // private File createTmpFile(String prefix, String suffix, InputStream is)
+ // {
+ // File tmpFile = null;
+ // OutputStream os = null;
+ // try {
+ // tmpFile = File.createTempFile(prefix, suffix);
+ // os = new FileOutputStream(tmpFile);
+ // IOUtils.copy(is, os);
+ // } catch (IOException e) {
+ // throw new ArgeoException("Cannot open file " + prefix + "."
+ // + suffix, e);
+ // } finally {
+ // IOUtils.closeQuietly(os);
+ // }
+ // return tmpFile;
+ // }
+
+ private String createFullDownloadUrl(String fileName, String fileId) {
+ StringBuilder url = new StringBuilder();
+ url.append(RWT.getRequest().getRequestURL());
+ url.append(createParamUrl(fileName, fileId));
+ return url.toString();
}
+ private String createParamUrl(String filename, String fileId) {
+ StringBuilder url = new StringBuilder();
+ url.append("?");
+ url.append(IServiceHandler.REQUEST_PARAM);
+ url.append("=downloadServiceHandler");
+ url.append("&filename=");
+ url.append(filename);
+ url.append("&fileid=");
+ url.append(fileId);
+ String encodedURL = RWT.getResponse().encodeURL(url.toString());
+ return encodedURL;
+ }
}
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.argeo.ArgeoException;
-import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.rwt.widgets.Upload;
-import org.eclipse.rwt.widgets.UploadAdapter;
-import org.eclipse.rwt.widgets.UploadEvent;
-import org.eclipse.rwt.widgets.UploadItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
public class ImportFileSystemWizardPage extends WizardPage {
- private Log log = LogFactory.getLog(ImportFileSystemWizardPage.class);
+ private final static Log log = LogFactory.getLog(ImportFileSystemWizardPage.class);
private Upload uploadFile;
}
public void createControl(Composite parent) {
-
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout(2, false));
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
-
new Label(composite, SWT.NONE).setText("Pick up a file");
-
uploadFile = new Upload(composite, SWT.BORDER);
uploadFile.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
uploadFile.setBrowseButtonText("Open...");
- uploadFile.addUploadListener(new UploadManager(uploadFile));
-
setControl(composite);
}
}
protected void handleUploadFinished(final Upload upload) {
- if (log.isTraceEnabled()) {
- UploadItem uploadItem = upload.getUploadItem();
- log.trace("filename : " + uploadItem.getFileName());
- log.trace("content-type : " + uploadItem.getContentType());
- }
}
public InputStream getFileInputStream() {
return uploadFile.getUploadItem().getFileInputStream();
}
-
- private class UploadManager extends UploadAdapter {
- private Upload upload;
-
- public UploadManager(Upload upload) {
- super();
- this.upload = upload;
- }
-
- public void uploadFinished(UploadEvent uploadEvent) {
- handleUploadFinished(upload);
- }
-
- public void uploadInProgress(UploadEvent uploadEvent) {
- }
-
- public void uploadException(UploadEvent uploadEvent) {
- Exception exc = uploadEvent.getUploadException();
- if (exc != null) {
- MessageDialog.openError(Display.getCurrent().getActiveShell(),
- "Error", exc.getMessage());
- }
- }
- }
}
projects / lgpl / argeo-commons.git / commitdiff