org.jbpm.ant.HibernatePropertiesTask.java Source code

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Here is the source code for org.jbpm.ant.HibernatePropertiesTask.java

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jbpm.ant;

import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.Map.Entry;
import java.util.regex.Pattern;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.hibernate.cfg.Configuration;

/**
 * @author Alejandro Guizar
 */
public class HibernatePropertiesTask extends Task {

    private String config;
    private String prefix;
    private Pattern includes;
    private Pattern excludes;

    public void execute() throws BuildException {
        log("loading hibernate properties from " + config);

        Configuration configuration = AntHelper.getConfiguration(config, null);
        Properties properties = configuration.getProperties();
        if (properties.isEmpty())
            return;

        StringBuffer nameBuf = new StringBuffer(prefix);
        int prefixLength = prefix.length();

        Project project = getProject();
        for (Iterator i = properties.entrySet().iterator(); i.hasNext();) {
            Map.Entry property = (Entry) i.next();

            String name = (String) property.getKey();
            if (include(name) && !exclude(name)) {
                name = nameBuf.append(name).toString();

                String value = (String) property.getValue();
                log("setting '" + name + "' to: " + value);
                project.setNewProperty(name, value);

                // drop key from prefix
                nameBuf.setLength(prefixLength);
            }
        }
    }

    private boolean include(String name) {
        return includes == null || includes.matcher(name).matches();
    }

    private boolean exclude(String name) {
        return excludes != null && excludes.matcher(name).matches();
    }

    public void setConfig(String config) {
        this.config = config;
    }

    public void setPrefix(String prefix) {
        this.prefix = prefix;
    }

    public void setIncludes(String regex) {
        includes = Pattern.compile(regex);
    }

    public void setExcludes(String regex) {
        excludes = Pattern.compile(regex);
    }

}