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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
AddMetaDataAdapter.java | 100% | 100% | 100% | 100% |
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/*
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* Copyright (C) The MetaClass Group. All rights reserved.
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*
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* This software is published under the terms of the Spice
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* Software License version 1.1, a copy of which has been included
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* with this distribution in the LICENSE.txt file.
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*/
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package org.codehaus.metaclass.io;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import org.objectweb.asm.Attribute;
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import org.objectweb.asm.ClassAdapter;
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import org.objectweb.asm.ClassVisitor;
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import org.codehaus.metaclass.model.ClassDescriptor;
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/**
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* Create a ClassAdapter that simply adds the MetaClass metadata to .class
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* file.
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*
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* @author Peter Donald
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* @version $Revision: 1.2 $ $Date: 2003/12/11 08:41:50 $
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*/
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class AddMetaDataAdapter
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extends ClassAdapter
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{ |
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/** The class descriptor to add. */
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final ClassDescriptor m_descriptor; |
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/** The IOE exception thrown when serializing descriptor. */
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private IOException m_ioe;
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/**
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* Create the adapter.
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*
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* @param cv the visitor to delegate to.
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* @param descriptor the descriptor to add
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*/
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AddMetaDataAdapter( final ClassVisitor cv, |
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final ClassDescriptor descriptor ) |
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{ |
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super( cv );
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m_descriptor = descriptor; |
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} |
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/**
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* @see ClassAdapter#visitAttribute(Attribute)
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*/
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public void visitAttribute( final Attribute attr ) |
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{ |
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if( !MetaClassIOASM.ATTRIBUTE_NAME.equals( attr.type ) )
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{ |
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super.visitAttribute( attr );
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} |
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} |
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/**
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* @see ClassAdapter#visit(int, String, String, String[], String)
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*/
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public void visit( final int access, |
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final String name, |
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final String superName, |
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final String[] interfaces, |
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final String sourceFile ) |
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{ |
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super.visit( access, name, superName, interfaces, sourceFile );
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try
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{ |
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final byte[] bytes = toBytes();
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final Attribute attr = |
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new Attribute( MetaClassIOASM.ATTRIBUTE_NAME,
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bytes, |
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0, |
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bytes.length ); |
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super.visitAttribute( attr );
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} |
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catch( final IOException ioe )
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{ |
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m_ioe = ioe; |
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} |
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} |
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/**
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* Convert ClassDescriptor into bytes.
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*
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* @return the bytes
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* @throws IOException if unable to convert descriptor into bytes
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*/
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byte[] toBytes()
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throws IOException
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{ |
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final ByteArrayOutputStream output = new ByteArrayOutputStream();
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MetaClassIOBinary.IO.serializeClass( output, m_descriptor ); |
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final byte[] bytes = output.toByteArray();
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return bytes;
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} |
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/**
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* Return the IOException thrown during serialization.
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*
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* @return the IOException thrown during serialization.
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*/
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IOException getIoe() |
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{ |
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return m_ioe;
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} |
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} |
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