/** * Returns the size of the file. * * @return The size of the file, in bytes. */ public long getSize() { if (size >= 0) { return size; } else if (cachedContent != null) { return cachedContent.length; } else if (dfos.isInMemory()) { return dfos.getData().length; } else { return dfos.getFile().length(); } }
/** * Determines whether or not the data for this output stream has been * retained in memory. * * @return <code>true</code> if the data is available in memory; * <code>false</code> otherwise. */ public boolean isInMemory() { return (!isThresholdExceeded()); }
/** * Removes the file contents from the temporary storage. */ @Override protected void finalize() { if (dfos == null || dfos.isInMemory()) { return; } File outputFile = dfos.getFile(); if (outputFile != null && outputFile.exists()) { outputFile.delete(); } }
/** * Returns an {@link java.io.InputStream InputStream} that can be * used to retrieve the contents of the file. * * @return An {@link java.io.InputStream InputStream} that can be * used to retrieve the contents of the file. * * @throws IOException if an error occurs. */ public InputStream getInputStream() throws IOException { if (!isInMemory()) { return new FileInputStream(dfos.getFile()); } if (cachedContent == null) { cachedContent = dfos.getData(); } return new ByteArrayInputStream(cachedContent); }
/** * Returns the {@link java.io.File} object for the <code>FileItem</code>'s * data's temporary location on the disk. Note that for * <code>FileItem</code>s that have their data stored in memory, * this method will return <code>null</code>. When handling large * files, you can use {@link java.io.File#renameTo(java.io.File)} to * move the file to new location without copying the data, if the * source and destination locations reside within the same logical * volume. * * @return The data file, or <code>null</code> if the data is stored in * memory. */ public File getStoreLocation() { return dfos == null ? null : dfos.getFile(); }
/** * Provides a hint as to whether or not the file contents will be read * from memory. * * @return <code>true</code> if the file contents will be read * from memory; <code>false</code> otherwise. */ public boolean isInMemory() { if (cachedContent != null) { return true; } return dfos.isInMemory(); }
/** * Returns an {@link java.io.OutputStream OutputStream} that can * be used for storing the contents of the file. * * @return An {@link java.io.OutputStream OutputStream} that can be used * for storing the contensts of the file. * * @throws IOException if an error occurs. */ public OutputStream getOutputStream() throws IOException { if (dfos == null) { File outputFile = getTempFile(); dfos = new DeferredFileOutputStream(sizeThreshold, outputFile); } return dfos; }
/** * Returns an {@link java.io.InputStream InputStream} that can be * used to retrieve the contents of the file. * * @return An {@link java.io.InputStream InputStream} that can be * used to retrieve the contents of the file. * * @throws IOException if an error occurs. */ @Override public InputStream getInputStream() throws IOException { if (!isInMemory()) { return new FileInputStream(dfos.getFile()); } if (cachedContent == null) { cachedContent = dfos.getData(); } return new ByteArrayInputStream(cachedContent); }
/** * Writes the state of this object during serialization. * * @param out The stream to which the state should be written. * * @throws IOException if an error occurs. */ private void writeObject(ObjectOutputStream out) throws IOException { // Read the data if (dfos.isInMemory()) { cachedContent = get(); } else { cachedContent = null; dfosFile = dfos.getFile(); } // write out values out.defaultWriteObject(); }
/** * Returns the {@link java.io.File} object for the <code>FileItem</code>'s * data's temporary location on the disk. Note that for * <code>FileItem</code>s that have their data stored in memory, * this method will return <code>null</code>. When handling large * files, you can use {@link java.io.File#renameTo(java.io.File)} to * move the file to new location without copying the data, if the * source and destination locations reside within the same logical * volume. * * @return The data file, or <code>null</code> if the data is stored in * memory. */ public File getStoreLocation() { return dfos == null ? null : dfos.getFile(); }
/** * Provides a hint as to whether or not the file contents will be read * from memory. * * @return <code>true</code> if the file contents will be read * from memory; <code>false</code> otherwise. */ public boolean isInMemory() { if (cachedContent != null) { return true; } return dfos.isInMemory(); }
/** * Returns an {@link java.io.OutputStream OutputStream} that can * be used for storing the contents of the file. * * @return An {@link java.io.OutputStream OutputStream} that can be used * for storing the contents of the file. * * @throws IOException if an error occurs. */ @Override public OutputStream getOutputStream() throws IOException { if (dfos == null) { File outputFile = getTempFile(); dfos = new DeferredFileOutputStream(sizeThreshold, outputFile); } return dfos; }
/** * Returns the size of the file. * * @return The size of the file, in bytes. */ @Override public long getSize() { if (size >= 0) { return size; } else if (cachedContent != null) { return cachedContent.length; } else if (dfos.isInMemory()) { return dfos.getData().length; } else { return dfos.getFile().length(); } }
/** * Returns an {@link java.io.InputStream InputStream} that can be * used to retrieve the contents of the file. * * @return An {@link java.io.InputStream InputStream} that can be * used to retrieve the contents of the file. * * @throws IOException if an error occurs. */ public InputStream getInputStream() throws IOException { if (!isInMemory()) { return new FileInputStream(dfos.getFile()); } if (cachedContent == null) { cachedContent = dfos.getData(); } return new ByteArrayInputStream(cachedContent); }
/** * Writes the state of this object during serialization. * * @param out The stream to which the state should be written. * * @throws IOException if an error occurs. */ private void writeObject(ObjectOutputStream out) throws IOException { // Read the data if (dfos.isInMemory()) { cachedContent = get(); } else { cachedContent = null; dfosFile = dfos.getFile(); } // write out values out.defaultWriteObject(); }
/** * Returns the {@link java.io.File} object for the <code>FileItem</code>'s * data's temporary location on the disk. Note that for * <code>FileItem</code>s that have their data stored in memory, * this method will return <code>null</code>. When handling large * files, you can use {@link java.io.File#renameTo(java.io.File)} to * move the file to new location without copying the data, if the * source and destination locations reside within the same logical * volume. * * @return The data file, or <code>null</code> if the data is stored in * memory. */ public File getStoreLocation() { return dfos.getFile(); }
/** * Provides a hint as to whether or not the file contents will be read * from memory. * * @return <code>true</code> if the file contents will be read * from memory; <code>false</code> otherwise. */ public boolean isInMemory() { return (dfos.isInMemory()); }
/** * Determines whether or not the data for this output stream has been * retained in memory. * * @return {@code true} if the data is available in memory; * {@code false} otherwise. */ public boolean isInMemory() { return !isThresholdExceeded(); }
/** * Returns an {@link java.io.OutputStream OutputStream} that can * be used for storing the contents of the file. * * @return An {@link java.io.OutputStream OutputStream} that can be used * for storing the contensts of the file. * * @throws IOException if an error occurs. */ public OutputStream getOutputStream() throws IOException { if (dfos == null) { File outputFile = getTempFile(); dfos = new DeferredFileOutputStream(sizeThreshold, outputFile); } return dfos; }
/** * Returns the size of the file. * * @return The size of the file, in bytes. */ public long getSize() { if (size >= 0) { return size; } else if (cachedContent != null) { return cachedContent.length; } else if (dfos.isInMemory()) { return dfos.getData().length; } else { return dfos.getFile().length(); } }