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From stef...@apache.org
Subject cvs commit: xml-cocoon2/src/deprecated/java/org/apache/cocoon/components/source/impl CocoonSourceFactory.java FileSource.java FileSourceFactory.java
Date Wed, 26 Feb 2003 17:58:28 GMT
stefano     2003/02/26 09:58:27

  Added:       src/deprecated/java/org/apache/cocoon/components/source
                        CocoonSourceFactory.java FileSource.java
                        FileSourceFactory.java
  Removed:     src/deprecated/java/org/apache/cocoon/components/source/impl
                        CocoonSourceFactory.java FileSource.java
                        FileSourceFactory.java
  Log:
  moving these files to the directory indicated by their packages so that
  ant is able to skip them and this avoids repackaging the jars everytime
  even if nothing changed
  
  Revision  Changes    Path
  1.1                  xml-cocoon2/src/deprecated/java/org/apache/cocoon/components/source/CocoonSourceFactory.java
  
  Index: CocoonSourceFactory.java
  ===================================================================
  /*
  
   ============================================================================
                     The Apache Software License, Version 1.1
   ============================================================================
  
   Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
  
   Redistribution and use in source and binary forms, with or without modifica-
   tion, are permitted provided that the following conditions are met:
  
   1. Redistributions of  source code must  retain the above copyright  notice,
      this list of conditions and the following disclaimer.
  
   2. Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
  
   3. The end-user documentation included with the redistribution, if any, must
      include  the following  acknowledgment:  "This product includes  software
      developed  by the  Apache Software Foundation  (http://www.apache.org/)."
      Alternately, this  acknowledgment may  appear in the software itself,  if
      and wherever such third-party acknowledgments normally appear.
  
   4. The names "Apache Cocoon" and  "Apache Software Foundation" must  not  be
      used to  endorse or promote  products derived from  this software without
      prior written permission. For written permission, please contact
      apache@apache.org.
  
   5. Products  derived from this software may not  be called "Apache", nor may
      "Apache" appear  in their name,  without prior written permission  of the
      Apache Software Foundation.
  
   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
   INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
   APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
   INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
   DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
   OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
   ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
   (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
   THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
   This software  consists of voluntary contributions made  by many individuals
   on  behalf of the Apache Software  Foundation and was  originally created by
   Stefano Mazzocchi  <stefano@apache.org>. For more  information on the Apache
   Software Foundation, please see <http://www.apache.org/>.
  
  */
  package org.apache.cocoon.components.source;
  
  import org.apache.avalon.framework.component.ComponentManager;
  import org.apache.avalon.framework.logger.AbstractLogEnabled;
  import org.apache.cocoon.ProcessingException;
  import org.apache.cocoon.environment.Environment;
  import org.apache.cocoon.environment.Source;
  import org.apache.cocoon.Processor;
  
  import java.io.IOException;
  import java.net.MalformedURLException;
  import java.net.URL;
  
  /**
   * This class implements the cocoon: protocol.
   * It cannot be configured like the other source factories
   * as it needs the current <code>Sitemap</code> as input.
   *
   * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
   * @version CVS $Id: CocoonSourceFactory.java,v 1.1 2003/02/26 17:58:26 stefano Exp $
   */
  public final class CocoonSourceFactory
  extends AbstractLogEnabled
  implements SourceFactory {
  
      /** The component manager */
      private ComponentManager  manager;
  
      public CocoonSourceFactory(Processor processor,
                                 ComponentManager manager) {
          this.manager = manager;
      }
  
      /**
       * Resolve the source
       */
      public Source getSource(Environment environment, String location)
      throws ProcessingException, IOException, MalformedURLException {
          if (environment == null)
              throw new ProcessingException("CocoonSourceFactory: environment is required.");
          return new SitemapSource(this.manager,
                                   location,
                                   this.getLogger());
      }
  
      /**
       * Resolve the source
       */
      public Source getSource(Environment environment, URL base, String location)
      throws ProcessingException, IOException, MalformedURLException {
          if (environment == null)
              throw new ProcessingException("CocoonSourceFactory: environment is required.");
          return this.getSource(environment, base.toExternalForm() + location);
      }
  }
  
  
  
  1.1                  xml-cocoon2/src/deprecated/java/org/apache/cocoon/components/source/FileSource.java
  
  Index: FileSource.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache Cocoon" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package org.apache.cocoon.components.source;
  
  import org.apache.avalon.framework.component.ComponentManager;
  import org.apache.cocoon.ProcessingException;
  import org.apache.cocoon.ResourceNotFoundException;
  
  import java.io.*;
  import java.net.MalformedURLException;
  import java.util.ConcurrentModificationException;
  
  /**
   * A <code>org.apache.cocoon.environment.WriteableSource</code> for 'file:/'
system IDs.
   *
   * @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
   * @version $Id: FileSource.java,v 1.1 2003/02/26 17:58:26 stefano Exp $
   * @deprecated Use the new avalon source resolving instead
   */
  
  public class FileSource extends AbstractStreamWriteableSource
      implements org.apache.cocoon.environment.WriteableSource {
  
      /** The underlying file. */
      private File file;
  
      /** The system ID for this source (lazily created by getSystemId()) */
      private String systemId = null;
  
      /** Is this an html file ? */
      private boolean isHTMLContent;
  
      /**
       * Create a file source from a 'file:' url and a component manager.
       */
      public FileSource(String url, ComponentManager manager) {
  
          super(manager);
  
          if (!url.startsWith("file:")) {
              throw new IllegalArgumentException("Malformed url for a file source : " + url);
          }
  
          if (url.endsWith(".htm") || url.endsWith(".html")) {
              this.isHTMLContent = true;
          }
  
          this.file = new File(url.substring(5)); // 5 == "file:".length()
      }
  
      public boolean exists() {
          return this.file.exists();
      }
  
      /**
       * Returns <code>true</code> if the file name ends with ".htm" or ".html".
       */
      protected boolean isHTMLContent() {
          return this.isHTMLContent;
      }
  
      /**
       * Return the unique identifer for this source
       */
      public String getSystemId() {
          if (this.systemId == null) {
              try {
                  this.systemId = this.file.toURL().toExternalForm();
              } catch(MalformedURLException mue) {
                  // Can this really happen ?
                  this.systemId = "file:" + this.file.getPath();
              }
          }
          return this.systemId;
      }
  
      /**
       * Get the input stream for this source.
       */
      public InputStream getInputStream() throws IOException, ProcessingException {
          try {
              return new FileInputStream(this.file);
          } catch (FileNotFoundException e) {
              throw new ResourceNotFoundException("Resource not found "
                                                  + getSystemId(), e);
          }
      }
  
      public long getLastModified() {
          return this.file.lastModified();
      }
  
      public long getContentLength() {
          return this.file.length();
      }
  
      /**
       * Get an output stream to write to this source. The output stream returned
       * actually writes to a temp file that replaces the real one on close. This
       * temp file is used as lock to forbid multiple simultaneous writes. The
       * real file is updated atomically when the output stream is closed.
       *
       * @throws ConcurrentModificationException if another thread is currently
       *         writing to this file.
       */
      public OutputStream getOutputStream() throws IOException, ProcessingException {
  
          // Create a temp file. It will replace the right one when writing terminates,
          // and serve as a lock to prevent concurrent writes.
          File tmpFile = new File(this.file.getPath() + ".tmp");
  
          // Ensure the directory exists
          tmpFile.getParentFile().mkdirs();
  
          // Can we write the file ?
          if (this.file.exists() && !this.file.canWrite()) {
              throw new IOException("Cannot write to file " + this.file.getPath());
          }
  
          // Check if it temp file already exists, meaning someone else currently writing
          if (!tmpFile.createNewFile()) {
              throw new ConcurrentModificationException("File " + this.file.getPath() +
                " is already being written by another thread");
          }
  
          // Return a stream that will rename the temp file on close.
          return new FileSourceOutputStream(tmpFile);
      }
  
      /**
       * Always return <code>false</code>. To be redefined by implementations
that support
       * <code>cancel()</code>.
       */
      public boolean canCancel(OutputStream stream) {
          if (stream instanceof FileSourceOutputStream) {
              FileSourceOutputStream fsos = (FileSourceOutputStream)stream;
              if (fsos.getSource() == this) {
                  return fsos.canCancel();
              }
          }
  
          // Not a valid stream for this source
          throw new IllegalArgumentException("The stream is not associated to this source");
      }
  
      /**
       * Cancels the output stream.
       */
      public void cancel(OutputStream stream) throws Exception {
          if (stream instanceof FileSourceOutputStream) {
              FileSourceOutputStream fsos = (FileSourceOutputStream)stream;
              if (fsos.getSource() == this) {
                  fsos.cancel();
                  return;
              }
          }
  
          // Not a valid stream for this source
          throw new IllegalArgumentException("The stream is not associated to this source");
      }
  
      /**
       * A file outputStream that will rename the temp file to the destination file upon close()
       * and discard the temp file upon cancel().
       */
      private class FileSourceOutputStream extends FileOutputStream {
  
          private File tmpFile;
          private boolean isClosed = false;
  
          public FileSourceOutputStream(File tmpFile) throws IOException {
              super(tmpFile);
              this.tmpFile = tmpFile;
          }
  
          public FileSource getSource() {
              return FileSource.this;
          }
  
          public void close() throws IOException {
              super.close();
  
              try {
                  // Delete destination file
                  if (FileSource.this.file.exists()) {
                      FileSource.this.file.delete();
                  }
                  // Rename temp file to destination file
                  tmpFile.renameTo(FileSource.this.file);
  
              } finally {
                  // Ensure temp file is deleted, ie lock is released.
                  // If there was a failure above, written data is lost.
                  if (tmpFile.exists()) {
                      tmpFile.delete();
                  }
                  this.isClosed = true;
              }
          }
  
          public boolean canCancel() {
              return !this.isClosed;
          }
  
          public void cancel() throws Exception {
              if (this.isClosed) {
                  throw new IllegalStateException("Cannot cancel : outputstrem is already
closed");
              }
  
              this.isClosed = true;
              super.close();
              this.tmpFile.delete();
          }
  
          public void finalize() {
              if (!this.isClosed && tmpFile.exists()) {
                  // Something wrong happened while writing : delete temp file
                  tmpFile.delete();
              }
          }
      }
  }
  
  
  
  1.1                  xml-cocoon2/src/deprecated/java/org/apache/cocoon/components/source/FileSourceFactory.java
  
  Index: FileSourceFactory.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache Cocoon" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.cocoon.components.source;
  
  import org.apache.avalon.framework.component.ComponentException;
  import org.apache.avalon.framework.component.ComponentManager;
  import org.apache.avalon.framework.component.Composable;
  import org.apache.avalon.framework.logger.AbstractLogEnabled;
  import org.apache.avalon.framework.thread.ThreadSafe;
  
  import org.apache.cocoon.components.source.SourceFactory;
  import org.apache.cocoon.environment.Environment;
  import org.apache.cocoon.environment.Source;
  import org.apache.cocoon.ProcessingException;
  
  import java.io.IOException;
  import java.net.MalformedURLException;
  import java.net.URL;
  
  /**
   * A factory for 'file:' sources.
   *
   * @author <a href="mailto:sylvain@apache.org">Sylvain Wallez</a>
   * @version $Id: FileSourceFactory.java,v 1.1 2003/02/26 17:58:26 stefano Exp $
   * @deprecated Use the new avalon source resolving instead
   */
  
  public class FileSourceFactory extends AbstractLogEnabled
      implements SourceFactory, Composable, ThreadSafe {
      
      private ComponentManager manager;
  
      public void compose(ComponentManager manager) throws ComponentException {
          this.manager = manager;
      }
      
      public Source getSource(Environment environment, String location)
        throws ProcessingException, MalformedURLException, IOException {
          Source result = new FileSource(location, this.manager);
          setupLogger(result);
          return result;
      }
  
      public Source getSource(Environment environment, URL base, String location)
        throws ProcessingException, MalformedURLException, IOException {
          return getSource(environment, new URL(base, location).toExternalForm());
      }
  }
      
  
  
  

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