net.sf.zekr.engine.template.ZekrFileResourceLoader.java Source code

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Here is the source code for net.sf.zekr.engine.template.ZekrFileResourceLoader.java

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/*
 *               In the name of Allah
 * This file is part of The Zekr Project. Use is subject to
 * license terms.
 *
 * Author:         Mohsen Saboorian
 * Start Date:     Jan 29, 2007
 */
package net.sf.zekr.engine.template;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

import org.apache.commons.collections.ExtendedProperties;
import org.apache.velocity.exception.ResourceNotFoundException;
import org.apache.velocity.runtime.resource.Resource;
import org.apache.velocity.runtime.resource.loader.ResourceLoader;

/**
 * A loader for templates stored on the file system.
 * 
 * @author Mohsen Saboorian
 */
public class ZekrFileResourceLoader extends ResourceLoader {
    public void init(ExtendedProperties configuration) {
        // do nothing
    }

    public synchronized InputStream getResourceStream(String templateName) throws ResourceNotFoundException {
        InputStream is = null;
        try {
            is = new BufferedInputStream(new FileInputStream(new File(templateName).getAbsolutePath()));
        } catch (FileNotFoundException e) {
            // do nothing!
        }
        if (is != null) // if no exception occurred
            return is;

        throw new ResourceNotFoundException("Resource not found: " + templateName);
    }

    public boolean isSourceModified(Resource resource) {
        return false;
    }

    public long getLastModified(Resource resource) {
        File file = new File(resource.getName());
        return file.canRead() ? file.lastModified() : 0;
    }
}