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package com.sun.jersey.api.wadl.config;

import java.io.File;
import java.io.InputStream;
import java.util.Properties;

import com.sun.jersey.server.wadl.WadlGenerator;

/**
 * This is the model for the definition of wadl generators via configuration properties.<br />
 * The properties refer to the properties of the {@link WadlGenerator} implementation with
 * the specified {@link WadlGeneratorDescription#getGeneratorClass()}. The {@link WadlGenerator} properties
 * are populated with the provided properties like this:
 * <ul>
 * <li>The types match exactly:<br/>if the WadlGenerator property is of type <code>org.example.Foo</code> and the
 * provided property value is of type <code>org.example.Foo</code></li>
 * <li>Types that provide a constructor for the provided type (mostly java.lang.String)</li>
 * <li>The WadlGenerator property is of type {@link InputStream}: The stream is loaded from the
 * property value (provided by the {@link WadlGeneratorDescription}) via 
 * {@link ClassLoader#getResourceAsStream(String)}. It will be closed after {@link WadlGenerator#init()} was called.
 * </li>
 * 
 * <li><strong>Deprected, will be removed in future versions:</strong><br/>
 * The WadlGenerator property is of type {@link File} and the provided property value is a {@link String}:<br/>
 * the provided property value can contain the prefix <em>classpath:</em> to denote, that the
 * path to the file is relative to the classpath. In this case, the property value is stripped by 
 * the prefix <em>classpath:</em> and the {@link File} is created via
 * <pre><code>new File( generator.getClass().getResource( strippedFilename ).toURI() )</code></pre>
 * Notice that the filename is loaded from the classpath in this case, e.g. <em>classpath:test.xml</em>
 * refers to a file in the package of the class ({@link WadlGeneratorDescription#getGeneratorClass()}). The
 * file reference <em>classpath:/test.xml</em> refers to a file that is in the root of the classpath.
 * </li>
 * 
 * </ul>
 * 
 * @author <a href="mailto:martin.grotzke@freiheit.com">Martin Grotzke</a>
 * @version $Id$
 */
public class WadlGeneratorDescription {
    
    private Class<? extends WadlGenerator> _generatorClass;
    private Properties _properties;
    
    public WadlGeneratorDescription() {
    }
    
    public WadlGeneratorDescription( Class<? extends WadlGenerator> generatorClass, Properties properties ) {
        _generatorClass = generatorClass;
        _properties = properties;
    }
    
    /**
     * @return the generatorClass
     */
    public Class<? extends WadlGenerator> getGeneratorClass() {
        return _generatorClass;
    }
    /**
     * @param generatorClass the generatorClass to set
     */
    public void setGeneratorClass( Class<? extends WadlGenerator> generatorClass ) {
        _generatorClass = generatorClass;
    }
    /**
     * @return the properties
     */
    public Properties getProperties() {
        return _properties;
    }
    /**
     * @param properties the properties to set
     */
    public void setProperties( Properties properties ) {
        _properties = properties;
    }

}
