Hibernate example source code file (BasicInstrumentationTask.java)

This example Hibernate source code file (BasicInstrumentationTask.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

arraylist, basicinstrumentationtask, buildexception, buildexception, file, file, fileset, hashset, io, iterator, iterator, loggerbridge, loggerbridge, project, set, util

The Hibernate BasicInstrumentationTask.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.tool.instrument;

import java.io.File;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.DirectoryScanner;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.FileSet;

import org.hibernate.bytecode.buildtime.spi.Instrumenter;
import org.hibernate.bytecode.buildtime.spi.Logger;

/**
 * Super class for all Hibernate instrumentation tasks.  Provides the basic templating of how instrumentation
 * should occur; subclasses simply plug in to that process appropriately for the given bytecode provider.
 *
 * @author Steve Ebersole
 */
public abstract class BasicInstrumentationTask extends Task implements Instrumenter.Options {

	private final LoggerBridge logger = new LoggerBridge();

	private List filesets = new ArrayList();
	private boolean extended;

	// deprecated option...
	private boolean verbose;

	public void addFileset(FileSet set) {
		this.filesets.add( set );
	}

	protected final Iterator filesets() {
		return filesets.iterator();
	}

	public boolean isExtended() {
		return extended;
	}

	public void setExtended(boolean extended) {
		this.extended = extended;
	}

	public boolean isVerbose() {
		return verbose;
	}

	public void setVerbose(boolean verbose) {
		this.verbose = verbose;
	}

	public final boolean performExtendedInstrumentation() {
		return isExtended();
	}

	protected abstract Instrumenter buildInstrumenter(Logger logger, Instrumenter.Options options);

	@Override
    public void execute() throws BuildException {
		try {
			buildInstrumenter( logger, this )
					.execute( collectSpecifiedFiles() );
		}
		catch ( Throwable t ) {
			throw new BuildException( t );
		}
	}

	private Set collectSpecifiedFiles() {
		HashSet files = new HashSet();
		Project project = getProject();
		Iterator filesets = filesets();
		while ( filesets.hasNext() ) {
			FileSet fs = ( FileSet ) filesets.next();
			DirectoryScanner ds = fs.getDirectoryScanner( project );
			String[] includedFiles = ds.getIncludedFiles();
			File d = fs.getDir( project );
			for ( int i = 0; i < includedFiles.length; ++i ) {
				files.add( new File( d, includedFiles[i] ) );
			}
		}
		return files;
	}

	protected class LoggerBridge implements Logger {
		public void trace(String message) {
			log( message, Project.MSG_VERBOSE );
		}

		public void debug(String message) {
			log( message, Project.MSG_DEBUG );
		}

		public void info(String message) {
			log( message, Project.MSG_INFO );
		}

		public void warn(String message) {
			log( message, Project.MSG_WARN );
		}

		public void error(String message) {
			log( message, Project.MSG_ERR );
		}
	}

}