/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
import com.sun.star.ucb.InsertCommandArgument;
import com.sun.star.ucb.XContent;
import com.sun.star.io.XInputStream;
/**
* Setting (Storing) the Content Data Stream of a UCB Document Content.
*/
public class DataStreamComposer {
/**
* Member properties
*/
private Helper m_helper;
private XContent m_content;
private String m_contenturl = "";
private String m_srcURL = "";
/**
* Constructor.
*
*@param String[] This construtor requires the arguments:
* -url=... (optional)
* -srcURL=... (optional)
* -workdir=... (optional)
* See Help (method printCmdLineUsage()).
* Without the arguments a new connection to a
* running office cannot created.
*@exception java.lang.Exception
*/
public DataStreamComposer( String args[] ) throws java.lang.Exception {
// Parse arguments
parseArguments( args );
// Init
m_helper = new Helper( getContentURL() );
// Create UCB content
m_content = m_helper.createUCBContent();
}
/**
* Write the document data stream of a document content.
* This method requires the main and the optional arguments to be set in order to work.
* See Constructor.
*
*@return boolean Result
*@exception com.sun.star.ucb.CommandAbortedException
*@exception com.sun.star.uno.Exception
*@exception java.lang.Exception
*/
public boolean setDataStream()
throws com.sun.star.ucb.CommandAbortedException,
com.sun.star.uno.Exception,
java.lang.Exception {
String sourceURL = getSourceURL();
return ( setDataStream( sourceURL ));
}
/**
* Write the document data stream of a document content.
*
*@param String Source URL
*@return boolean Returns true if data stream successfully seted, false otherwise
*@exception com.sun.star.ucb.CommandAbortedException
*@exception com.sun.star.uno.Exception
*@exception java.lang.Exception
*/
public boolean setDataStream( String sourceURL )
throws com.sun.star.ucb.CommandAbortedException,
com.sun.star.uno.Exception,
java.lang.Exception {
XInputStream stream;
if ( sourceURL == null || sourceURL.equals("") ) {
stream = new MyInputStream();
} else {
String[] args = new String[ 1 ];
args[ 0 ] = "-url=" + sourceURL;
DataStreamRetriever access = new DataStreamRetriever( args );
stream = access.getDataStream();
}
return ( setDataStream( stream ));
}
/**
* Write the document data stream of a document content...
*
*@param XInputStream Stream
*@return boolean Returns true if data stream successfully seted, false otherwise
*@exception com.sun.star.ucb.CommandAbortedException
*@exception com.sun.star.uno.Exception
*/
public boolean setDataStream( XInputStream stream )
throws com.sun.star.ucb.CommandAbortedException, com.sun.star.uno.Exception {
boolean result = false;
XInputStream data = stream;
if ( data != null && m_content != null ) {
// Fill argument structure...
InsertCommandArgument arg = new InsertCommandArgument();
arg.Data = data;
arg.ReplaceExisting = true;
// Execute command "insert".
m_helper.executeCommand( m_content, "insert", arg );
result = true;
}
return result;
}
/**
* Get source URL.
*
*@return String That contains the source URL
*/
public String getSourceURL() {
return m_srcURL;
}
/**
* Get connect URL.
*
*@return String That contains the connect URL
*/
public String getContentURL() {
return m_contenturl;
}
/**
* Parse arguments
*
*@param String[] Arguments
*@exception java.lang.Exception
*/
public void parseArguments( String[] args ) throws java.lang.Exception {
String workdir = "";
for ( int i = 0; i < args.length; i++ ) {
if ( args[i].startsWith( "-url=" )) {
m_contenturl = args[i].substring( 5 );
} else if ( args[i].startsWith( "-srcURL=" )) {
m_srcURL = args[i].substring( 9 );
} else if ( args[i].startsWith( "-workdir=" )) {
workdir = args[i].substring( 9 );
} else if ( args[i].startsWith( "-help" ) ||
args[i].startsWith( "-?" )) {
printCmdLineUsage();
System.exit( 0 );
}
}
if ( m_contenturl == null || m_contenturl.equals( "" )) {
m_contenturl = Helper.createTargetDataFile( workdir );
}
if ( m_srcURL == null || m_srcURL.equals( "" )) {
m_srcURL = Helper.prependCurrentDirAsAbsoluteFileURL( "data/data.txt" );
}
}
/**
* Print the commands options
*/
public void printCmdLineUsage() {
System.out.println(
"Usage : DataStreamComposer -url=... -srcURL=... -workdir=..." );
System.out.println(
"Defaults: -url=<workdir>/resource-<uniquepostfix> -srcURL=<currentdir>/data/data.txt -workdir=<currentdir>" );
System.out.println(
"\nExample : -url=file:///temp/my.txt -srcURL=file:///temp/src.txt " );
}
/**
* Create a new connection with the specific args to a running office and
* set the Content Data Stream of a UCB Document Content.
*
*@param String[] Arguments
*/
public static void main ( String args[] ) {
System.out.println( "\n" );
System.out.println(
"-----------------------------------------------------------------" );
System.out.println(
"DataStreamComposer - sets the data stream of a document resource." );
System.out.println(
" The data stream is obtained from another (the source) document " );
System.out.println(
" resource before." );
System.out.println(
"-----------------------------------------------------------------" );
try {
DataStreamComposer dataStream = new DataStreamComposer( args );
String sourceURL = dataStream.getSourceURL();
boolean result = dataStream.setDataStream( sourceURL );
if ( result ) {
System.out.println(
"\nSetting data stream succeeded.\n Source URL: " +
dataStream.getSourceURL() +
"\n Target URL: " +
dataStream.getContentURL() );
} else {
System.out.println(
"\nSetting data stream failed. \n Source URL: " +
dataStream.getSourceURL() +
"\n Target URL: " +
dataStream.getContentURL() );
}
} catch ( com.sun.star.ucb.CommandAbortedException e ) {
System.out.println( "Error: " + e );
} catch ( com.sun.star.uno.Exception e ) {
System.out.println( "Error: " + e );
} catch ( java.lang.Exception e ) {
System.out.println( "Error: " + e );
}
System.exit( 0 );
}
}