WALA/com.ibm.wala.scandroid/source/org/scandroid/spec/SpecUtils.java

100 lines
3.1 KiB
Java

/*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html.
*
* This file is a derivative of code released under the terms listed below.
*
*/
/**
*
* Copyright (c) 2009-2012,
*
* Galois, Inc. (Aaron Tomb <atomb@galois.com>,
* Rogan Creswick <creswick@galois.com>,
* Adam Foltzer <acfoltzer@galois.com>)
* Steve Suh <suhsteve@gmail.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The names of the contributors may not 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 org.scandroid.spec;
import java.lang.reflect.Array;
public class SpecUtils {
/**
* Combine two specs objects.
*
* @param s1
* @param s2
*/
public static ISpecs combine(final ISpecs s1, final ISpecs s2) {
return new ISpecs() {
@Override
public SourceSpec[] getSourceSpecs() {
SourceSpec[] s1Sources = s1.getSourceSpecs();
SourceSpec[] s2Sources = s2.getSourceSpecs();
return concat(s1Sources, s2Sources);
}
@Override
public SinkSpec[] getSinkSpecs() {
return concat(s1.getSinkSpecs(), s2.getSinkSpecs());
}
@Override
public MethodNamePattern[] getEntrypointSpecs() {
return concat(s1.getEntrypointSpecs(), s2.getEntrypointSpecs());
}
@SuppressWarnings("unchecked")
private <T> T[] concat(final T[] a, final T[] b) {
if (null == a) {
return b;
}
if (null == b) {
return a;
}
T[] newArray = (T[]) Array.newInstance(a.getClass().getComponentType(), a.length + b.length);
System.arraycopy(a, 0, newArray, 0, a.length);
System.arraycopy(b, 0, newArray, a.length, b.length);
return newArray;
}
};
}
}