227 lines
8.3 KiB
Java
227 lines
8.3 KiB
Java
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* The Contents of this file are made available subject to the terms of
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* the BSD license.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*************************************************************************/
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import com.sun.star.ucb.OpenCommandArgument2;
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import com.sun.star.ucb.OpenMode;
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import com.sun.star.ucb.XContent;
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import com.sun.star.io.XActiveDataSink;
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import com.sun.star.io.XInputStream;
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/**
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* Accessing (Loading) the Content Data Stream of a UCB Document Content
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*/
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public class DataStreamRetriever {
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/**
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* Member properties
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*/
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private Helper m_helper;
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private XContent m_content;
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private String m_contenturl = "";
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/**
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* Constructor.
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*
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*@param args This constructor requires the arguments:
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* -url=... (optional)
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* See Help (method printCmdLineUsage()).
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* Without the arguments a new connection to a
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* running office cannot created.
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*/
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public DataStreamRetriever( String args[] ) throws java.lang.Exception {
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// Parse arguments
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parseArguments( args );
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// Init
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m_helper = new Helper( getContentURL() );
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// Create UCB content
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m_content = m_helper.createUCBContent();
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}
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/**
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* Read the document data stream of a document content using a
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* XActiveDataSink implementation as data sink...
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*
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*@return XInputStream Returns input stream if stream successfully retrieved,
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* null otherwise
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*/
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public XInputStream getDataStream()
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throws com.sun.star.ucb.CommandAbortedException, com.sun.star.uno.Exception {
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XInputStream data = null;
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if ( m_content != null ) {
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// Fill argument structure...
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OpenCommandArgument2 arg = new OpenCommandArgument2();
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arg.Mode = OpenMode.DOCUMENT;
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arg.Priority = 32768; // static final for 32768
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// Create data sink implementation object.
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XActiveDataSink dataSink = new MyActiveDataSink();
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arg.Sink = dataSink;
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// Execute command "open". The implementation of the command will
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// supply an XInputStream implementation to the data sink.
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m_helper.executeCommand( m_content, "open", arg );
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// Get input stream supplied by the open command implementation.
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data = dataSink.getInputStream();
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}
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return data;
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}
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/**
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* Get connect URL.
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*
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*@return String That contains the connect URL
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*/
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public String getContentURL() {
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return m_contenturl;
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}
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/**
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* Parse arguments
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*
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*@param args Arguments
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*/
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private void parseArguments( String[] args ) throws java.lang.Exception {
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for ( int i = 0; i < args.length; i++ ) {
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if ( args[i].startsWith( "-url=" )) {
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m_contenturl = args[i].substring( 5 );
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} else if ( args[i].startsWith( "-help" ) ||
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args[i].startsWith( "-?" )) {
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printCmdLineUsage();
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System.exit( 0 );
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}
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}
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if ( m_contenturl == null || m_contenturl.equals( "" )) {
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m_contenturl = Helper.prependCurrentDirAsAbsoluteFileURL( "data/data.txt" );
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}
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}
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/**
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* Print the commands options
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*/
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private void printCmdLineUsage() {
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System.out.println(
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"Usage : DataStreamRetriever -url=..." );
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System.out.println(
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"Defaults: -url=<currentdir>/data/data.txt" );
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System.out.println(
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"\nExample : -url=file:///temp/my.txt" );
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}
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/**
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* Print Stream content.
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*/
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private void printStream( XInputStream data )
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throws com.sun.star.uno.Exception {
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// Read data from input stream...65536
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// Data buffer. Will be allocated by input stream implementation!
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byte[][] buffer = new byte[ 1 ][ 65536 ];
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int read = data.readSomeBytes( buffer, 65536 );
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System.out.println( "Read bytes : " + read );
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System.out.println( "Read data (only first 64K displayed): ");
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while ( read > 0 ) {
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byte[] bytes = new byte[ read ];
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for( int i = 0; i < read; i++ ) {
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bytes[ i ] = buffer[ 0 ][ i ];
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}
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System.out.println( new String(bytes) );
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// Process data contained in buffer.
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read = data.readSomeBytes( buffer, 65536 );
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}
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}
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/**
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* Create a new connection with the specific args to a running office and
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* access (Load) the content data stream of a UCB document content.
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*/
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public static void main ( String args[] ) {
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System.out.println( "\n" );
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System.out.println(
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"-----------------------------------------------------------------------" );
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System.out.println(
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"DataStreamRetriever - obtains the data stream from a document resource." );
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System.out.println(
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"-----------------------------------------------------------------------" );
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try {
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DataStreamRetriever access = new DataStreamRetriever( args );
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XInputStream data = access.getDataStream();
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String url = access.getContentURL();
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if ( data != null ) {
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String tempPrint = "\nGetting data stream for resource " + url +
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" succeeded.";
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int size = tempPrint.length();
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System.out.println( tempPrint );
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tempPrint = "";
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for( int i = 0; i < size; i++ ) {
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tempPrint += "-";
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}
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System.out.println( tempPrint );
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access.printStream( data );
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} else {
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System.out.println(
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"Getting data stream for resource " + url + " failed." );
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}
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} catch ( com.sun.star.io.NotConnectedException e ) {
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System.out.println( "Error: " + e );
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} catch ( com.sun.star.io.BufferSizeExceededException e ) {
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System.out.println( "Error: " + e );
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} catch ( com.sun.star.io.IOException e ) {
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System.out.println( "Error: " + e );
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} catch ( com.sun.star.ucb.CommandAbortedException e ) {
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System.out.println( "Error: " + e );
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} catch ( com.sun.star.uno.Exception e ) {
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System.out.println( "Error: " + e );
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} catch ( java.lang.Exception e ) {
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System.out.println( "Error: " + e );
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}
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System.exit( 0 );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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