/*
* @(#)XInputFile.java
*
* Copyright (c) 2004-2007 by roehrist, dvbmatt, All Rights Reserved.
*
* This file is part of ProjectX, a free Java based demux utility.
* By the authors, ProjectX is intended for educational purposes only,
* as a non-commercial test project.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package net.sourceforge.dvb.projectx.xinput;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.util.Iterator;
import net.sourceforge.dvb.projectx.xinput.StreamInfo;
import net.sourceforge.dvb.projectx.common.Common;
public class XInputFile implements XInputFileIF {
// Implementation class
private XInputFileIF impl = null;
private boolean debug = false;
private Object constructorParameter = null;
public String file_id = "";
/**
* Private Constructor, don't use!
*/
private XInputFile() {
throw new UnsupportedOperationException();
}
/**
*/
public XInputFile(Object aVO) {
if (debug) System.out.println("Enter XInputFile(Object '" + aVO + "')");
Class[] parameterTypes = { aVO.getClass() };
Object[] parameterValues = { aVO };
retrieveImplementation(parameterTypes, parameterValues);
constructorParameter = aVO;
if (impl != null)
impl.setConstructorParameter(aVO);
if (debug) System.out.println("Leave XInputFile(Object '" + aVO + "')");
}
public XInputFile getNewInstance() {
if (debug) System.out.println("Enter XInputFile.getNewInstance()");
if (impl != null)
constructorParameter = impl.getConstructorParameter();
XInputFile xif = new XInputFile(constructorParameter);
if (xif.getImpl() == null)
return null;
// copy file_id
xif.setFileID(getFileID());
/**
* copy already parsed streaminfo
*/
if (impl.getStreamInfo() != null)
xif.setStreamInfo(impl.getStreamInfo().getNewInstance());
if (debug) System.out.println("Leave XInputFile.getNewInstance() returning " + xif);
return xif;
}
/**
*/
private void retrieveImplementation(Class[] parameterTypes, Object[] parameterValues) {
if (debug)
System.out.println("Enter XInputFile.retrieveImplementation(Class[] parameterTypes, Object[] parameterValues)");
FileType fileType = null;
for (Iterator fileTypes = FileType.getFileTypes().iterator(); fileTypes.hasNext(); )
{
fileType = (FileType) fileTypes.next();
if (fileType.equals(FileType.DEFAULT))
continue;
try {
if (debug)
System.out.println("Try FileType '" + fileType.getName() + "'");
impl = (XInputFileIF) fileType.getImplementation().getConstructor(parameterTypes).newInstance(parameterValues);
/**
* simply disable access, if commons-net is missing
*/
/** if (fileType.getName().equals("FTP") && !Common.canAccessFtp())
impl = null;
**/
if (debug)
System.out.println("Use FileType '" + fileType.getName() + "' for file '" + impl.toString() + "'");
if (debug)
System.out.println("Leave XInputFile.retrieveImplementation(Class[] parameterTypes, Object[] parameterValues");
return;
} catch (Exception e) {
// Failed, try next type
impl = null;
}
}
try {
fileType = FileType.DEFAULT;
if (debug) System.out.println("Try default FileType '" + fileType.getName() + "'");
impl = (XInputFileIF) fileType.getImplementation().getConstructor(parameterTypes).newInstance(parameterValues);
if (debug)
System.out.println("Use default FileType '" + fileType.getName() + "' for file '" + impl.toString() + "'");
if (debug)
System.out.println("Leave XInputFile.retrieveImplementation(Class[] parameterTypes, Object[] parameterValues)");
return;
} catch (Exception e) {
// Failed, no type left, so this is final failure
impl = null;
if (debug) System.out.println("No matching FileType found or file doesn't exist");
if (debug)
System.out.println("Leave XInputFile.retrieveImplementation(Class[] parameterTypes, Object[] parameterValues)");
//throw new IllegalArgumentException("No matching FileType found or file doesn't exist");
Common.setErrorMessage("No matching FileType found or file doesn't exist: '" + parameterValues[0] + "'");
Common.setExceptionMessage(e);
}
}
public void setConstructorParameter(Object obj) {
if (debug) System.out.println("Enter XInputFile.setConstructorParameter(Object obj)" + "'" + obj + "'");
impl.setConstructorParameter(obj);
if (debug) System.out.println("Leave XInputFile.setConstructorParameter(Object obj)");
}
public Object getConstructorParameter() {
if (debug) System.out.println("Enter XInputFile.getConstructorParameter()");
Object obj = impl.getConstructorParameter();
if (debug) System.out.println("Leave XInputFile.getConstructorParameter()" + "'" + obj + "'");
return obj;
}
/**
* @return
*/
public boolean exists() {
if (debug) System.out.println("Enter XInputFile.exists()");
boolean b = impl.exists();
if (debug) System.out.println("Leave XInputFile.exists() returning " + (new Boolean(b)));
return b;
}
/**
* @return @throws
* FileNotFoundException
* @throws MalformedURLException
* @throws IOException
*/
public InputStream getInputStream() throws FileNotFoundException, MalformedURLException, IOException {
if (debug) System.out.println("Enter XInputFile.getInputStream()");
InputStream is = null;
try {
is = impl.getInputStream();
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.getInputStream() returning " + is);
return is;
}
/**
* @return @throws
* FileNotFoundException
* @throws MalformedURLException
* @throws IOException
*/
public InputStream getInputStream(long start_position) throws FileNotFoundException, MalformedURLException, IOException {
if (debug) System.out.println("Enter XInputFile.getInputStream(long start_position)");
InputStream is = null;
try {
is = impl.getInputStream(start_position);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.getInputStream(long start_position) returning " + is);
return is;
}
/**
* @return
*/
public String getName() {
if (debug) System.out.println("Enter XInputFile.getName()");
String s = impl.getName();
if (debug) System.out.println("Leave XInputFile.getName() returning " + s);
return s;
}
/**
* @return
*/
public String getParent() {
if (debug) System.out.println("Enter XInputFile.getParent()");
String s = impl.getParent();
if (debug) System.out.println("Leave XInputFile.getParent() returning " + s);
return s;
}
/**
* @return
*/
public String getUrl() {
if (debug) System.out.println("Enter XInputFile.getUrl()");
String s = impl.getUrl();
if (debug) System.out.println("Leave XInputFile.getUrl() returning " + s);
return s;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
if (debug) System.out.println("Enter XInputFile.hashCode()");
int i = impl.hashCode();
if (debug) System.out.println("Leave XInputFile.hashCode() returning " + i);
return i;
}
/**
* @return
*/
public long lastModified() {
if (debug) System.out.println("Enter XInputFile.lastModified()");
long l = impl.lastModified();
if (debug) System.out.println("Leave XInputFile.lastModified() returning " + l);
return l;
}
/**
* @return
*/
public boolean setLastModified() {
if (debug) System.out.println("Enter XInputFile.setLastModified()");
boolean b = impl.setLastModified();
if (debug) System.out.println("Leave XInputFile.setLastModified() returning " + b);
return b;
}
/**
* @return
*/
public long length() {
if (debug) System.out.println("Enter XInputFile.length()");
long l = impl.length();
if (debug) System.out.println("Leave XInputFile.length() returning " + l);
return l;
}
/**
* rename
*
* @return
*/
public boolean rename() throws IOException {
if (debug) System.out.println("Enter XInputFile.rename()");
boolean b = impl.rename();
if (debug) System.out.println("Leave XInputFile.rename() returning " + b);
return b;
}
/**
* @throws IOException
*/
public void randomAccessClose() throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessClose()");
try {
impl.randomAccessClose();
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessClose()");
}
/**
* @param aMode
* @throws IOException
*/
public void randomAccessOpen(String aMode) throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessOpen(String '" + aMode + "')");
try {
impl.randomAccessOpen(aMode);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessOpen(String '" + aMode + "')");
}
/**
* @return @throws
* IOException
*/
public int randomAccessRead() throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessRead()");
int i = 0;
try {
i = impl.randomAccessRead();
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessRead() returning " + i);
return i;
}
/**
* @param aBuffer
* @return @throws
* IOException
*/
public int randomAccessRead(byte[] aBuffer) throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessRead(byte[] aBuffer)");
int i = 0;
try {
i = impl.randomAccessRead(aBuffer);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessRead(byte[] aBuffer) returning " + i);
return i;
}
/**
* @param aBuffer
* @param aOffset
* @param aLength
* @return @throws
* IOException
*/
public int randomAccessRead(byte[] aBuffer, int aOffset, int aLength) throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessRead(byte[] aBuffer, int aOffset, int aLength)");
int i = 0;
try {
i = impl.randomAccessRead(aBuffer, aOffset, aLength);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug)
System.out
.println("Leave XInputFile.randomAccessRead(byte[] aBuffer, int aOffset, int aLength) returning " + i);
return i;
}
/**
* @return Read line
* @throws IOException
*/
public String randomAccessReadLine() throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessReadLine()");
String s = null;
try {
s = impl.randomAccessReadLine();
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessReadLine() returning " + s);
return s;
}
/**
* @param aPosition
* @throws IOException
*/
public void randomAccessSeek(long aPosition) throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessSeek(long '" + aPosition + "')");
try {
impl.randomAccessSeek(aPosition);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessSeek(long '" + aPosition + "')");
}
/**
* @return @throws
* IOException
*/
public long randomAccessGetFilePointer() throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessGetFilePointer()");
long l = 0;
try {
l = impl.randomAccessGetFilePointer();
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessGetFilePointer() returning " + l);
return l;
}
/**
* @param aBuffer
* @param aPosition
* @throws IOException
*/
public void randomAccessSingleRead(byte[] aBuffer, long aPosition) throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessSingleRead(byte[] aBuffer, long aPosition)");
try {
impl.randomAccessSingleRead(aBuffer, aPosition);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessSingleRead(byte[] aBuffer, long aPosition)");
}
/**
* @param aBuffer
* @throws IOException
*/
public void randomAccessWrite(byte[] aBuffer) throws IOException {
if (debug) System.out.println("Enter XInputFile.randomAccessWrite(byte[] aBuffer)");
try {
impl.randomAccessWrite(aBuffer);
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.randomAccessWrite(byte[] aBuffer)");
}
/**
* @return @throws
* IOException
*/
public long randomAccessReadLong() throws IOException {
if (debug) System.out.println("Enter XInputFile.readLong()");
long l = 0;
try {
l = impl.randomAccessReadLong();
} catch (IOException e) {
if (debug) System.out.println(e.getLocalizedMessage());
if (debug) e.printStackTrace();
throw e;
}
if (debug) System.out.println("Leave XInputFile.readLong() returning " + l);
return l;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object aObj) {
if (debug) System.out.println("Enter XInputFile.equals(Object '" + aObj + "')");
if (!(aObj instanceof XInputFile)) {
if (debug) System.out.println("Leave XInputFile.equals(Object '" + aObj + "') returning false");
return false;
}
XInputFile other = (XInputFile) aObj;
if (other.getFileType().equals(getFileType()) && other.toString().equals(toString())) {
if (debug) System.out.println("Leave XInputFile.equals(Object '" + aObj + "') returning true");
return true;
} else {
if (debug) System.out.println("Leave XInputFile.equals(Object '" + aObj + "') returning false");
return false;
}
}
/*
* (non-Javadoc)
*
* @see net.sourceforge.dvb.projectx.xinput.XInputFileIF#getFileType()
*/
public FileType getFileType() {
if (debug) System.out.println("Enter XInputFile.getFileType()");
FileType ft = impl.getFileType();
if (debug) System.out.println("Leave XInputFile.getFileType() returning " + ft);
return ft;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
public String toString() {
if (debug) System.out.println("Enter XInputFile.toString()");
String s = impl.toString();
if (debug) System.out.println("Leave XInputFile.toString() returning " + s);
return s;
}
/*
*
*/
public XInputFileIF getImpl()
{
return impl;
}
/**
*
*/
public void setStreamInfo(StreamInfo _streamInfo)
{
if (impl != null)
impl.setStreamInfo(_streamInfo);
}
/**
*
*/
public StreamInfo getStreamInfo()
{
return (impl != null ? impl.getStreamInfo() : null);
}
/**
*
*/
public String getFileID()
{
return file_id;
}
/**
*
*/
public void setFileID(String str)
{
file_id = str;
}
}