/***
* ASM examples: examples showing how ASM can be used
* Copyright (c) 2000-2007 INRIA, France Telecom
* 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. Neither the name of the copyright holders 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.buschmais.jqassistant.core.scanner.impl;
import com.buschmais.jqassistant.core.model.api.descriptor.TypeDescriptor;
import com.buschmais.jqassistant.core.scanner.api.ArtifactScannerPlugin;
import com.buschmais.jqassistant.core.scanner.impl.resolver.DescriptorResolverFactory;
import com.buschmais.jqassistant.core.scanner.impl.visitor.ClassVisitor;
import com.buschmais.jqassistant.core.scanner.impl.visitor.VisitorHelper;
import com.buschmais.jqassistant.core.store.api.Store;
import org.objectweb.asm.ClassReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.*;
/**
* Implementation of the {@link ArtifactScannerPlugin} for java classes.
*/
public class ClassScannerPlugin implements ArtifactScannerPlugin<TypeDescriptor> {
private int scannedClasses;
/**
* Constructor.
*/
public ClassScannerPlugin() {
this.scannedClasses = 0;
}
@Override
public boolean matches(String file, boolean isDirectory) {
return !isDirectory && file.endsWith(".class");
}
@Override
public TypeDescriptor scanFile(Store store, InputStreamSource streamSource) throws IOException {
DescriptorResolverFactory resolverFactory = new DescriptorResolverFactory(store);
ClassVisitor visitor = new ClassVisitor(new VisitorHelper(store, resolverFactory));
new ClassReader(streamSource.openStream()).accept(visitor, 0);
TypeDescriptor typeDescriptor = visitor.getTypeDescriptor();
scannedClasses++;
return typeDescriptor;
}
@Override
public TypeDescriptor scanDirectory(Store store, String name) throws IOException {
return null;
}
/**
* Return the number of classes scanned by this plugin.
*
* @return the number of classes scanned by this plugin.
*/
public int getScannedClasses() {
return scannedClasses;
}
}