/*
* @(#)CusRegistry.java 1.9 02/08/21
*
* Copyright (c) 1996-2002 Sun Microsystems, Inc. All rights reserved.
*/
package com.sun.media.customizer;
import java.util.*;
import java.io.*;
import javax.media.CaptureDeviceInfo;
import javax.media.cdm.*;
public class CusRegistry {
// Default Hashtable in RegistryLib.class in jmf.jar
private Hashtable defaultHash = null;
// Hashtable loaded from jmf.properties, including all the native plugins
private Hashtable fullHash = null;
// Name of the properties file, including path.
private static String filename = null;
// Version number of the serialized file format. Will need
// to be incremented if the format changes so that an old
// implementation will expect errors with a new format.
static final int versionNumber = 200;
private static final String CLASSPATH = "java.class.path";
private String classpath = null;
private String workDir = null;
private String javacpath = null;
public CusRegistry() {
defaultHash = null;
fullHash = null;
workDir = null;
javacpath = null;
}
public void setWorkDir(String wdir) {
workDir = wdir;
}
public String getWorkDir() {
return workDir;
}
public void setJavacPath(String cpath) {
javacpath = cpath;
}
public String getJavacPath() {
return javacpath;
}
public boolean loadRegistry(){
InputStream ris = null;
boolean loadDef = false;
defaultHash = new Hashtable();
fullHash = new Hashtable();
// Load the default registry from RegistryLib
ris = findJMFPropertiesFile();
boolean loadFull = readRegistry(fullHash, ris);
if ( loadFull ) {
return true;
}
try {
byte[] data;
Class c = Class.forName("com.sun.media.util.RegistryLib");
data = (byte[]) c.getMethod("getData", null).invoke(c,null);
if(data != null) {
ris = new ByteArrayInputStream(data);
loadDef = readRegistry(defaultHash, ris);
}
} catch ( Exception ex) {
ex.printStackTrace();
ris = null;
loadDef = false;
}
return loadDef;
}
public Hashtable getDefaultRegistry() {
return defaultHash;
}
public Hashtable getFullRegistry() {
return fullHash;
}
// ---------------------
public void removePlugIn(Hashtable newhash, String pname, int type) {
String key = "PIM." + type + "_" + pname + ".in";
newhash.remove(key);
key = "PIM." + type + "_" + pname + ".out";
newhash.remove(key);
// System.out.println("remove " + key);
}
// ----------------------------
public void removeCaptureD(Hashtable newhash, String cname){
String key1 = "CDM.nDevices";
Object oo;
if ( newhash.get(key1) != null ) {
int totalnum = ((Integer)(newhash.get(key1))).intValue();
int found = -1;
int j = 0;
String key;
CaptureDeviceInfo info;
for ( int i = 0 ; i < totalnum; i++) {
oo = newhash.get("CDM." + i);
if ( oo != null ) {
info = (CaptureDeviceInfo)oo;
if ( info.getLocator().getProtocol().equalsIgnoreCase(cname) ) {
newhash.put(key1, new Integer(totalnum-1));
newhash.remove("CDM." + i);
found = i;
break;
}
}
}
for ( int i = found+1; i < totalnum; i++) {
oo = newhash.get("CDM." + i);
j = i - 1;
key = "CDM." + j;
newhash.put(key, oo);
}
if ( found >= 0) {
totalnum --;
key = "CDM." + totalnum;
newhash.remove(key);
}
}
}
// -----------------------------------
private final InputStream findJMFPropertiesFile() {
String pfileName = findJMF();
InputStream ris = null;
if ( pfileName != null ) {
try {
ris = new FileInputStream(pfileName);
} catch (Exception ex) {
ris = null;
}
}
return ris;
}
public final String findJMF() {
// Search the directories in CLASSPATH for the first available
// jmf.properties
classpath = System.getProperty(CLASSPATH);
if (classpath == null )
return null;
StringTokenizer tokens = new StringTokenizer(classpath, File.pathSeparator);
String dir;
String strJMF = "jmf.properties";
File file = null;
InputStream ris = null;
filename = null;
while (tokens.hasMoreTokens()) {
dir = tokens.nextToken();
String caps = dir.toUpperCase();
// If its not a directory, then we need to get rid of
// the file name and get the directory.
try {
if (caps.indexOf(".ZIP") > 0 || caps.indexOf(".JAR") > 0 ) {
int sep = dir.lastIndexOf(File.separator);
if (sep == -1 && ! File.separator.equals("/")) // if someone uses a slash in DOS
// instead of a backslash
sep = dir.lastIndexOf("/");
if (sep == -1) { // no separator
sep = dir.lastIndexOf(":"); // is there a ":" ?
if (sep == -1) { // no ":"
dir = strJMF; // its just a xxx.jar or xxx.zip
} else { // there is a ":"
dir = dir.substring(0, sep) + ":" + strJMF;
}
} else {
dir = dir.substring(0, sep) + File.separator + strJMF;
}
} else
dir = dir + File.separator + strJMF;
} catch (Exception e) {
dir = dir + File.separator + strJMF;
}
try {
file = new File(dir);
if ( file.exists() && file.length() > 0 ) {
// ris = new FileInputStream(file);
filename = dir;
System.out.println("Found jmf.properties in " + dir);
break;
}
} catch (Throwable t) {
filename = null;
return null;
}
} // end of while
return filename;
//if ( filename == null || file == null )
// return null;
// return ris;
}
// -------------------------
private final boolean readRegistry(Hashtable hash, InputStream ris) {
if ( ris == null )
return false;
if ( hash == null )
hash = new Hashtable();
try {
// Inner class with skipHeader so that the protected method
// readStreamHeader can be called.
ObjectInputStream ois = new ObjectInputStream(ris);
int tableSize = ois.readInt();
int version = ois.readInt();
if (version > 200) {
System.err.println("Version number mismatch.\nThere could be" +
" errors in reading the registry");
}
for (int i = 0; i < tableSize; i++) {
String key = ois.readUTF();
boolean failed = false;
byte [] serObject;
try {
/*
serObject = (byte[])ois.readObject();
ByteArrayInputStream bais = new ByteArrayInputStream(serObject);
ObjectInputStream tois = new ObjectInputStream(bais);
Object value = tois.readObject();
hash.put(key, value);
tois.close();
*/
Object value = ois.readObject();
hash.put(key, value);
} catch (ClassNotFoundException cnfe) {
cnfe.printStackTrace();
failed = true;
} catch (OptionalDataException ode) {
ode.printStackTrace();
failed = true;
}
}
ois.close();
ris.close();
} catch (IOException ioe) {
System.err.println("IOException in readRegistry: " + ioe);
return false;
} catch (Throwable t) {
return false;
}
System.out.println("Registry Size = " + hash.size());
return true;
}
// -----------------------------
public boolean saveRegistry(Hashtable newhash){
String tmpfilename = workDir + File.separator + "new_jmf.properties";
try {
File tmpF = new File(tmpfilename);
if ( tmpF.exists() ) {
tmpF.delete();
}
FileOutputStream fos = new FileOutputStream(tmpfilename);
ObjectOutputStream oos = new ObjectOutputStream(fos);
int tableSize = newhash.size();
oos.writeInt(tableSize);
oos.writeInt(versionNumber);
for (Enumeration e = newhash.keys(); e.hasMoreElements() ;) {
String key = (String) e.nextElement();
Object value = newhash.get(key);
oos.writeUTF(key); // write key as UTF chars.
/*
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream tempOOS = new ObjectOutputStream(baos);
tempOOS.writeObject(value);
tempOOS.flush();
byte [] serObject = baos.toByteArray();
oos.writeObject(serObject);
tempOOS.close();
*/
oos.writeObject(value);
oos.flush();
}
oos.close();
} catch ( Exception ex) {
ex.printStackTrace();
return false;
}
return true;
}
}
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