de.intarsys.pdf.pd.PDFileSpecificationURL Maven / Gradle / Ivy

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This is a fork of http://sourceforge.net/projects/jpodlib/ as development seems to be frozen. We're providing some bug fixes along with deployments to maven.
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/*
 * Copyright (c) 2007, intarsys consulting GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * - Neither the name of intarsys nor the names of its contributors may be used
 *   to endorse or promote products derived from this software without specific
 *   prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package de.intarsys.pdf.pd;

import de.intarsys.pdf.cos.COSBasedObject;
import de.intarsys.pdf.cos.COSName;
import de.intarsys.pdf.cos.COSObject;
import de.intarsys.pdf.cos.COSRuntimeException;
import de.intarsys.pdf.cos.COSString;

import java.net.MalformedURLException;
import java.net.URL;

public class PDFileSpecificationURL extends PDFileSpecification {
    // todo 2 review url attribute

    /**
     * The meta class implementation
     */
    public static class MetaClass extends PDFileSpecification.MetaClass {
        protected MetaClass(Class instanceClass) {
            super(instanceClass);
        }

        @Override
        protected COSBasedObject doCreateCOSBasedObject(COSObject object) {
            return new PDFileSpecificationURL(object);
        }
    }

    /**
     * The meta class instance
     */
    public static final MetaClass META = new MetaClass(MetaClass.class.getDeclaringClass());

    public static PDFileSpecificationURL createNew(URL url) {
        PDFileSpecificationURL result = (PDFileSpecificationURL) META.createNew();
        result.setURL(url);
        return result;
    }

    private URL url = null;

    protected PDFileSpecificationURL(COSObject object) {
        super(object);
    }

    public URL getURL() {
        return url;
    }

    /**
     * provide some hook for initialization after creation based on a cos object
     */
    @Override
    protected void initializeFromCos() {
        super.initializeFromCos();
        setFileSystem(CN_FS_URL);
        COSString fileString = cosGetField(DK_F).asString();
        if (fileString != null) {
            try {
                setURL(new URL(fileString.stringValue()));
            } catch (MalformedURLException e) {
                cosGetObject().handleException(new COSRuntimeException("error parsing URL", e));
            }
        }
    }

    /*
     * (non-Javadoc)
     *
     * @see de.intarsys.pdf.pd.PDFileSpecification#initializeFromScratch()
     */
    @Override
    protected void initializeFromScratch() {
        super.initializeFromScratch();
        setFileSystem((COSName) CN_FS_URL.copyShallow());
    }

    public void setURL(URL newURL) {
        this.url = newURL;
        if (newURL == null) {
            setFieldString(DK_F, null);
        } else {
            setFieldString(DK_F, url.toString());
        }
    }
}