import de.todesbaum.util.freenet.fcp2.Message;
import de.todesbaum.util.freenet.fcp2.RedirectFileEntry;
import de.todesbaum.util.freenet.fcp2.Verbosity;
+import de.todesbaum.util.io.Closer;
import de.todesbaum.util.io.ReplacingOutputStream;
import de.todesbaum.util.io.StreamCopier;
/**
- * @author David Roden <droden@gmail.com>
- * @version $Id: ProjectInserter.java 440 2006-03-30 09:31:25Z bombe $
+ * Manages project inserts.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
*/
public class ProjectInserter implements FileScannerListener, Runnable {
+ /** Counter for FCP connection identifier. */
private static int counter = 0;
+
+ /** Whether debug mode is set. */
private boolean debug = false;
+
+ /** The list of insert listeners. */
private List<InsertListener> insertListeners = new ArrayList<InsertListener>();
+
+ /** The freenet interface. */
protected Freenet7Interface freenetInterface;
+
+ /** The project to insert. */
protected Project project;
+
+ /** The file scanner. */
private FileScanner fileScanner;
+
+ /** Object used for synchronization. */
protected final Object lockObject = new Object();
- private int maxRetries = 99999;
+ /**
+ * Adds a listener to the list of registered listeners.
+ *
+ * @param insertListener
+ * The listener to add
+ */
public void addInsertListener(InsertListener insertListener) {
insertListeners.add(insertListener);
}
+ /**
+ * Removes a listener from the list of registered listeners.
+ *
+ * @param insertListener
+ * The listener to remove
+ */
public void removeInsertListener(InsertListener insertListener) {
insertListeners.remove(insertListener);
}
+ /**
+ * Notifies all listeners that the project insert has started.
+ *
+ * @see InsertListener#projectInsertStarted(Project)
+ */
protected void fireProjectInsertStarted() {
- for (InsertListener insertListener: insertListeners) {
+ for (InsertListener insertListener : insertListeners) {
insertListener.projectInsertStarted(project);
}
}
+ /**
+ * Notifies all listeners that the insert has generated a URI.
+ *
+ * @see InsertListener#projectURIGenerated(Project, String)
+ * @param uri
+ * The generated URI
+ */
+ protected void fireProjectURIGenerated(String uri) {
+ for (InsertListener insertListener : insertListeners) {
+ insertListener.projectURIGenerated(project, uri);
+ }
+ }
+
+ /**
+ * Notifies all listeners that the insert has made some progress.
+ *
+ * @see InsertListener#projectInsertProgress(Project, int, int, int, int,
+ * boolean)
+ * @param succeeded
+ * The number of succeeded blocks
+ * @param failed
+ * The number of failed blocks
+ * @param fatal
+ * The number of fatally failed blocks
+ * @param total
+ * The total number of blocks
+ * @param finalized
+ * <code>true</code> if the total number of blocks has already
+ * been finalized, <code>false</code> otherwise
+ */
protected void fireProjectInsertProgress(int succeeded, int failed, int fatal, int total, boolean finalized) {
- for (InsertListener insertListener: insertListeners) {
+ for (InsertListener insertListener : insertListeners) {
insertListener.projectInsertProgress(project, succeeded, failed, fatal, total, finalized);
}
}
+ /**
+ * Notifies all listeners the project insert has finished.
+ *
+ * @see InsertListener#projectInsertFinished(Project, boolean, Throwable)
+ * @param success
+ * <code>true</code> if the project was inserted successfully,
+ * <code>false</code> if it failed
+ * @param cause
+ * The cause of the failure, if any
+ */
protected void fireProjectInsertFinished(boolean success, Throwable cause) {
- for (InsertListener insertListener: insertListeners) {
+ for (InsertListener insertListener : insertListeners) {
insertListener.projectInsertFinished(project, success, cause);
}
}
/**
+ * Sets the debug mode.
+ *
* @param debug
- * The debug to set.
+ * <code>true</code> to activate debug mode, <code>false</code>
+ * to deactivate
*/
public void setDebug(boolean debug) {
this.debug = debug;
}
/**
+ * Sets the project to insert.
+ *
* @param project
- * The project to set.
+ * The project to insert
*/
public void setProject(Project project) {
this.project = project;
}
/**
+ * Sets the freenet interface to use.
+ *
* @param freenetInterface
- * The freenetInterface to set.
+ * The freenet interface to use
*/
public void setFreenetInterface(Freenet7Interface freenetInterface) {
this.freenetInterface = freenetInterface;
}
/**
- * @param maxRetries
- * The maxRetries to set.
+ * Starts the insert.
*/
- public void setMaxRetries(int maxRetries) {
- this.maxRetries = maxRetries;
- }
-
public void start() {
fileScanner = new FileScanner(project);
fileScanner.addFileScannerListener(this);
new Thread(fileScanner).start();
}
+ /**
+ * Creates an input stream that delivers the given file, replacing edition
+ * tokens in the file’s content, if necessary.
+ *
+ * @param filename
+ * The name of the file
+ * @param fileOption
+ * The file options
+ * @param edition
+ * The current edition
+ * @param length
+ * An array containing a single long which is used to
+ * <em>return</em> the final length of the file, after all
+ * replacements
+ * @return The input stream for the file
+ * @throws IOException
+ * if an I/O error occurs
+ */
private InputStream createFileInputStream(String filename, FileOption fileOption, int edition, long[] length) throws IOException {
File file = new File(project.getLocalPath(), filename);
length[0] = file.length();
ByteArrayOutputStream filteredByteOutputStream = new ByteArrayOutputStream(Math.min(Integer.MAX_VALUE, (int) length[0]));
ReplacingOutputStream outputStream = new ReplacingOutputStream(filteredByteOutputStream);
FileInputStream fileInput = new FileInputStream(file);
- outputStream.addReplacement("$[CONTAINER]", "/");
- outputStream.addReplacement("$[EDITION]", String.valueOf(edition));
- outputStream.addReplacement("$[URI]", project.getFinalURI(0));
- for (int index = 1; index <= fileOption.getEditionRange(); index++) {
- outputStream.addReplacement("$[URI+" + index + "]", project.getFinalURI(index));
- outputStream.addReplacement("$[URI+" + index + "]", project.getFinalURI(index));
+ try {
+ outputStream.addReplacement("$[EDITION]", String.valueOf(edition));
+ outputStream.addReplacement("$[URI]", project.getFinalRequestURI(0));
+ for (int index = 1; index <= fileOption.getEditionRange(); index++) {
+ outputStream.addReplacement("$[URI+" + index + "]", project.getFinalRequestURI(index));
+ outputStream.addReplacement("$[EDITION+" + index + "]", String.valueOf(edition + index));
+ }
+ StreamCopier.copy(fileInput, outputStream, length[0]);
+ } finally {
+ Closer.close(fileInput);
+ Closer.close(outputStream);
+ Closer.close(filteredByteOutputStream);
}
- StreamCopier.copy(fileInput, outputStream, length[0]);
- outputStream.close();
- filteredByteOutputStream.close();
byte[] filteredBytes = filteredByteOutputStream.toByteArray();
length[0] = filteredBytes.length;
return new ByteArrayInputStream(filteredBytes);
}
+ /**
+ * Creates an input stream for a container.
+ *
+ * @param containerFiles
+ * All container definitions
+ * @param containerName
+ * The name of the container to create
+ * @param edition
+ * The current edition
+ * @param containerLength
+ * An array containing a single long which is used to
+ * <em>return</em> the final length of the container stream,
+ * after all replacements
+ * @return The input stream for the container
+ * @throws IOException
+ * if an I/O error occurs
+ */
private InputStream createContainerInputStream(Map<String, List<String>> containerFiles, String containerName, int edition, long[] containerLength) throws IOException {
File tempFile = File.createTempFile("jsite", ".zip");
tempFile.deleteOnExit();
FileOutputStream fileOutputStream = new FileOutputStream(tempFile);
ZipOutputStream zipOutputStream = new ZipOutputStream(fileOutputStream);
- for (String filename: containerFiles.get(containerName)) {
- File dataFile = new File(project.getLocalPath(), filename);
- if (dataFile.exists()) {
- ZipEntry zipEntry = new ZipEntry(filename);
- long[] fileLength = new long[1];
- InputStream wrappedInputStream = createFileInputStream(filename, project.getFileOption(filename), edition, fileLength);
- zipOutputStream.putNextEntry(zipEntry);
- StreamCopier.copy(wrappedInputStream, zipOutputStream, fileLength[0]);
- zipOutputStream.closeEntry();
- wrappedInputStream.close();
+ try {
+ for (String filename : containerFiles.get(containerName)) {
+ File dataFile = new File(project.getLocalPath(), filename);
+ if (dataFile.exists()) {
+ ZipEntry zipEntry = new ZipEntry(filename);
+ long[] fileLength = new long[1];
+ InputStream wrappedInputStream = createFileInputStream(filename, project.getFileOption(filename), edition, fileLength);
+ try {
+ zipOutputStream.putNextEntry(zipEntry);
+ StreamCopier.copy(wrappedInputStream, zipOutputStream, fileLength[0]);
+ } finally {
+ zipOutputStream.closeEntry();
+ wrappedInputStream.close();
+ }
+ }
}
+ } finally {
+ zipOutputStream.closeEntry();
+ Closer.close(zipOutputStream);
+ Closer.close(fileOutputStream);
}
- zipOutputStream.closeEntry();
-
- /* FIXME - create metadata */
- // ZipEntry metadataEntry = new ZipEntry("metadata");
- // zipOutputStream.putNextEntry(metadataEntry);
- // Metadata zipMetadata = new Metadata();
- // for (String filename: containerFiles.get(containerName)) {
- // if (new File(project.getLocalPath(), filename).exists()) {
- // DocumentMetadata zipEntryMetadata = new DocumentMetadata();
- // zipEntryMetadata.setName(filename);
- // zipEntryMetadata.setFormat(project.getFileOption(filename).getMimeType());
- // zipMetadata.addDocument(zipEntryMetadata);
- // }
- // }
- // zipOutputStream.write(zipMetadata.toByteArray());
- // zipOutputStream.closeEntry();
- zipOutputStream.close();
containerLength[0] = tempFile.length();
return new FileInputStream(tempFile);
}
+ /**
+ * Creates a file entry suitable for handing in to
+ * {@link ClientPutComplexDir#addFileEntry(FileEntry)}.
+ *
+ * @param filename
+ * The name of the file to insert
+ * @param edition
+ * The current edition
+ * @param containerFiles
+ * The container definitions
+ * @return A file entry for the given file
+ */
private FileEntry createFileEntry(String filename, int edition, Map<String, List<String>> containerFiles) {
FileEntry fileEntry = null;
FileOption fileOption = project.getFileOption(filename);
InputStream containerInputStream = createContainerInputStream(containerFiles, containerName, edition, containerLength);
fileEntry = new DirectFileEntry(containerName + ".zip", "application/zip", containerInputStream, containerLength[0]);
} catch (IOException ioe1) {
+ /* ignore, null is returned. */
}
} else {
if (fileOption.isInsert()) {
InputStream fileEntryInputStream = createFileInputStream(filename, fileOption, edition, fileLength);
fileEntry = new DirectFileEntry(filename, project.getFileOption(filename).getMimeType(), fileEntryInputStream, fileLength[0]);
} catch (IOException ioe1) {
+ /* ignore, null is returned. */
}
} else {
fileEntry = new RedirectFileEntry(filename, fileOption.getMimeType(), fileOption.getCustomKey());
return fileEntry;
}
+ /**
+ * Creates container definitions.
+ *
+ * @param files
+ * The list of all files
+ * @param containers
+ * The list of all containers
+ * @param containerFiles
+ * Empty map that will be filled with container definitions
+ */
private void createContainers(List<String> files, List<String> containers, Map<String, List<String>> containerFiles) {
- for (String filename: new ArrayList<String>(files)) {
+ for (String filename : new ArrayList<String>(files)) {
FileOption fileOption = project.getFileOption(filename);
String containerName = fileOption.getContainer();
if (!containerName.equals("")) {
/* create connection to node */
Connection connection = freenetInterface.getConnection("project-insert-" + counter++);
+ boolean connected = false;
+ Throwable cause = null;
try {
- connection.connect();
+ connected = connection.connect();
} catch (IOException e1) {
- fireProjectInsertFinished(false, e1);
+ cause = e1;
+ }
+
+ if (!connected) {
+ fireProjectInsertFinished(false, cause);
return;
}
+
Client client = new Client(connection);
/* create containers */
createContainers(files, containers, containerFiles);
/* collect files */
- int edition = ((EditionProject) project).getEdition();
- String dirURI = project.getInsertURI() + project.getPath() + "-" + edition;
+ int edition = project.getEdition();
+ String dirURI = "USK@" + project.getInsertURI() + "/" + project.getPath() + "/" + edition + "/";
ClientPutComplexDir putDir = new ClientPutComplexDir("dir-" + counter++, dirURI);
putDir.setDefaultName(project.getIndexFile());
putDir.setVerbosity(Verbosity.ALL);
- putDir.setMaxRetries(maxRetries);
- for (String filename: files) {
+ putDir.setMaxRetries(-1);
+ for (String filename : files) {
FileEntry fileEntry = createFileEntry(filename, edition, containerFiles);
if (fileEntry != null) {
putDir.addFileEntry(fileEntry);
}
/* parse progress and success messages */
- boolean success = true;
+ String finalURI = null;
+ boolean success = false;
boolean finished = false;
boolean disconnected = false;
while (!finished) {
Message message = client.readMessage();
- finished = (message == null) && (disconnected = client.isDisconnected());
+ finished = (message == null) || (disconnected = client.isDisconnected());
if (debug) {
System.out.println(message);
}
if (!finished) {
String messageName = message.getName();
+ if ("URIGenerated".equals(messageName)) {
+ finalURI = message.get("URI");
+ fireProjectURIGenerated(finalURI);
+ }
if ("SimpleProgress".equals(messageName)) {
int total = Integer.parseInt(message.get("Total"));
int succeeded = Integer.parseInt(message.get("Succeeded"));
fireProjectInsertProgress(succeeded, failed, fatal, total, finalized);
}
success = "PutSuccessful".equals(messageName);
- finished = success || "PutFailed".equals(messageName);
+ finished = success || "PutFailed".equals(messageName) || messageName.endsWith("Error");
}
}
/* post-insert work */
fireProjectInsertFinished(success, disconnected ? new IOException("Connection terminated") : null);
if (success) {
- if (project instanceof EditionProject) {
- ((EditionProject) project).setEdition(edition + 1);
- }
+ String editionPart = finalURI.substring(finalURI.lastIndexOf('/') + 1);
+ int newEdition = Integer.parseInt(editionPart);
+ project.setEdition(newEdition);
+ project.setLastInsertionTime(System.currentTimeMillis());
}
}