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jMonkeyEngine is a 3-D game engine for adventurous Java developers
/*
* Copyright (c) 2009-2015 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.scene.plugins.fbx.file;
public abstract class FbxId {
public static final FbxId ROOT = new LongFbxId(0);
protected FbxId() { }
private static final class StringFbxId extends FbxId {
private final String id;
public StringFbxId(String id) {
this.id = id;
}
@Override
public int hashCode() {
return id.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj == null || obj.getClass() != StringFbxId.class) {
return false;
}
return this.id.equals(((StringFbxId) obj).id);
}
@Override
public String toString() {
return id;
}
@Override
public boolean isNull() {
return id.equals("Scene\u0000\u0001Model");
}
}
private static final class LongFbxId extends FbxId {
private final long id;
public LongFbxId(long id) {
this.id = id;
}
@Override
public int hashCode() {
return (int) (this.id ^ (this.id >>> 32));
}
@Override
public boolean equals(Object obj) {
if (obj == null || obj.getClass() != LongFbxId.class) {
return false;
}
return this.id == ((LongFbxId) obj).id;
}
@Override
public boolean isNull() {
return id == 0;
}
@Override
public String toString() {
return Long.toString(id);
}
}
public abstract boolean isNull();
public static FbxId create(Object obj) {
if (obj instanceof Long) {
return new LongFbxId((Long)obj);
} else if (obj instanceof String) {
return new StringFbxId((String)obj);
} else {
throw new UnsupportedOperationException("Unsupported ID object type: " + obj.getClass());
}
}
public static FbxId getObjectId(FbxElement el) {
if (el.propertiesTypes.length == 2
&& el.propertiesTypes[0] == 'S'
&& el.propertiesTypes[1] == 'S') {
return new StringFbxId((String) el.properties.get(0));
} else if (el.propertiesTypes.length == 3
&& el.propertiesTypes[0] == 'L'
&& el.propertiesTypes[1] == 'S'
&& el.propertiesTypes[2] == 'S') {
return new LongFbxId((Long) el.properties.get(0));
} else {
return null;
}
}
}
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