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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.asset;
import java.io.DataInput;
import java.io.IOException;
import java.io.InputStream;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* <code>AssetConfig</code> loads a config file to configure the asset manager.
* <br/><br/>
* The config file is specified with the following format:
* <code>
* "LOADER" <class> : (<extension> ",")* <extension>
* "LOCATOR" <path> <class> : (<extension> ",")* <extension>
* </code>
*
* @author Kirill Vainer
*/
public class AssetConfig {
private AssetManager manager;
public AssetConfig(AssetManager manager){
this.manager = manager;
}
public void loadText(InputStream in) throws IOException{
Scanner scan = new Scanner(in);
while (scan.hasNext()){
String cmd = scan.next();
if (cmd.equals("LOADER")){
String loaderClass = scan.next();
String colon = scan.next();
if (!colon.equals(":")){
throw new IOException("Expected ':', got '"+colon+"'");
}
String extensionsList = scan.nextLine();
String[] extensions = extensionsList.split(",");
for (int i = 0; i < extensions.length; i++){
extensions[i] = extensions[i].trim();
}
if (hasClass(loaderClass)) {
manager.registerLoader(loaderClass, extensions);
} else {
Logger.getLogger(this.getClass().getName()).log(Level.WARNING, "Cannot find loader {0}", loaderClass);
}
} else if (cmd.equals("LOCATOR")) {
String rootPath = scan.next();
String locatorClass = scan.nextLine().trim();
if (hasClass(locatorClass)) {
manager.registerLocator(rootPath, locatorClass);
} else {
Logger.getLogger(this.getClass().getName()).log(Level.WARNING, "Cannot find locator {0}", locatorClass);
}
} else {
throw new IOException("Expected command, got '" + cmd + "'");
}
}
}
private boolean hasClass(String name) {
try {
Class clazz = Class.forName(name);
return clazz != null;
} catch (ClassNotFoundException ex) {
return false;
}
}
private static String readString(DataInput dataIn) throws IOException{
int length = dataIn.readUnsignedShort();
char[] chrs = new char[length];
for (int i = 0; i < length; i++){
chrs[i] = (char) dataIn.readUnsignedByte();
}
return String.valueOf(chrs);
}
/*
public void loadBinary(DataInput dataIn) throws IOException{
// read signature and version
// how many locator entries?
int locatorEntries = dataIn.readUnsignedShort();
for (int i = 0; i < locatorEntries; i++){
String locatorClazz = readString(dataIn);
String rootPath = readString(dataIn);
manager.registerLocator(rootPath, locatorClazz);
}
int loaderEntries = dataIn.readUnsignedShort();
for (int i = 0; i < loaderEntries; i++){
String loaderClazz = readString(dataIn);
int numExtensions = dataIn.readUnsignedByte();
String[] extensions = new String[numExtensions];
for (int j = 0; j < numExtensions; j++){
extensions[j] = readString(dataIn);
}
manager.registerLoader(loaderClazz, extensions);
}
}
*/
}
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