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INTEGRATION: CWS scriptingf5 (1.1.2); FILE ADDED

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2004/02/25 18:29:51 npower 1.1.2.1: #i25272# moved this file from com/sun/star/script/framework/provider.
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Sander Vesik
2004-04-19 22:07:24 +00:00
parent 43fd7333c8
commit e4636cf590
1 changed files with 253 additions and 0 deletions
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scripting/java/com/sun/star/script/framework/io/UCBStreamHandler.java Normal file
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/*************************************************************************
*
* $RCSfile: UCBStreamHandler.java,v $
*
* $Revision: 1.2 $
*
* last change: $Author: svesik $ $Date: 2004-04-19 23:07:24 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package com.sun.star.script.framework.io;
import java.net.*;
import java.io.*;
import java.util.*;
import java.util.zip.*;
import com.sun.star.uno.XComponentContext;
import com.sun.star.ucb.XSimpleFileAccess;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.io.XInputStream;
import com.sun.star.script.framework.log.LogUtils;
public class UCBStreamHandler extends URLStreamHandler {
public final static String UCBSCHEME = "vnd.sun.star.pkg";
public final static String separator = "/ucb/";
private XComponentContext m_xContext = null;
private XMultiComponentFactory m_xMultiComponentFactory = null;
private XSimpleFileAccess m_xSimpleFileAccess = null;
private HashMap m_jarStreamMap = new HashMap(12);
public UCBStreamHandler(XComponentContext ctxt) {
this.m_xContext = ctxt;
this.m_xMultiComponentFactory = m_xContext.getServiceManager();
try {
Object obj = m_xMultiComponentFactory.createInstanceWithContext(
"com.sun.star.ucb.SimpleFileAccess", ctxt);
m_xSimpleFileAccess = (XSimpleFileAccess)
UnoRuntime.queryInterface( XSimpleFileAccess.class, obj );
}
catch (Exception e) {}
}
public void parseURL(URL url, String spec, int start, int limit) {
String file = url.getFile();
if (file == null)
file = spec.substring(start, limit);
else
file += spec.substring(start, limit);
setURL(url, url.getProtocol(), null, -1, null, null, file, null, null);
}
public URLConnection openConnection(URL u) throws IOException {
return new UCBConnection(u);
}
private class UCBConnection extends URLConnection {
public UCBConnection(URL url) {
super(url);
}
public void connect() {
}
public InputStream getInputStream() throws IOException {
String url = UCBSCHEME + ":" + getURL().getFile().toString();
if (url.lastIndexOf(separator) == -1) {
return getFileStreamFromUCB(url);
}
else {
String path = url.substring(0, url.lastIndexOf(separator));
String file = url.substring(
url.lastIndexOf(separator) + separator.length());
// System.out.println("[Loading: " + file + " from: " +
// path.substring(path.lastIndexOf("/")) + "]");
return getUCBStream(file, path);
}
}
}
private InputStream getUCBStream(String file, String path)
throws IOException
{
InputStream is = null;
InputStream result = null;
try {
if (path.endsWith(".jar")) {
is = (InputStream)m_jarStreamMap.get(path);
if (is == null) {
is = getFileStreamFromUCB(path);
m_jarStreamMap.put(path, is);
}
else {
try {
is.reset();
}
catch (IOException e) {
is.close();
is = getFileStreamFromUCB(path);
m_jarStreamMap.put(path, is);
}
}
result = getFileStreamFromJarStream(file, is);
}
else
{
path += file;
result = getFileStreamFromUCB(path);
}
}
finally {
if (is != null) {
try {
is.close();
}
catch (IOException ioe) {
LogUtils.DEBUG("Caught exception closing stream: " +
ioe.getMessage());
}
}
}
return result;
}
private InputStream getFileStreamFromJarStream(String file, InputStream is)
throws IOException
{
ZipInputStream zis = null;
ZipEntry entry = null;
boolean found = false;
zis = new ZipInputStream(is);
while (zis.available() != 0) {
entry = (ZipEntry)zis.getNextEntry();
if (entry.getName().equals(file)) {
return zis;
}
}
return null;
}
private InputStream getFileStreamFromUCB(String path)
throws IOException
{
InputStream result = null;
XInputStream xInputStream = null;
try {
xInputStream = m_xSimpleFileAccess.openFileRead(path);
byte[][] inputBytes = new byte[1][];
int ln = 0;
int sz = m_xSimpleFileAccess.getSize(path);
inputBytes[0] = new byte[sz];
ln = xInputStream.readBytes(inputBytes, sz);
if (ln != sz) {
throw new IOException(
"Failed to read " + sz + " bytes from XInputStream");
}
result = new ByteArrayInputStream(inputBytes[0]);
}
catch (com.sun.star.io.IOException ioe) {
throw new IOException(ioe.getMessage());
}
catch (com.sun.star.uno.Exception e) {
throw new IOException(e.getMessage());
}
finally
{
if (xInputStream != null) {
try {
xInputStream.closeInput();
}
catch (Exception e2) {
LogUtils.DEBUG(
"Error closing XInputStream:" + e2.getMessage());
}
}
}
return result;
}
private String convertClassNameToFileName(String name) {
return name.replace('.', File.separatorChar) + ".class";
}
}