de.intarsys.pdf.app.action.StandardActionProcessor Maven / Gradle / Ivy

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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.app.action;

import java.util.Iterator;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

import de.intarsys.pdf.cos.COSDictionary;
import de.intarsys.pdf.cos.COSDocument;
import de.intarsys.pdf.cos.COSName;
import de.intarsys.pdf.cos.COSObject;
import de.intarsys.pdf.pd.PDAction;

/**
 * The standard {@link IActionProcessor} implementation.
 * 
 */
public class StandardActionProcessor implements IActionProcessor {
	/**
	 * The logger to be used in this package
	 */
	private static Logger Log = PACKAGE.Log;

	/** The factory used in this interpreter. */
	private IActionHandlerRegistry factory = ActionHandlerRegistry.get();

	public StandardActionProcessor() {
		super();
	}

	protected IActionHandlerRegistry getFactory() {
		return factory;
	}

	protected void handleException(ActionException e) {
		Log.logp(Level.WARNING, "", "", "PDF action processing error", e); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	}

	protected void processAction(TriggerEvent event, COSName actionType,
			COSObject actionDefinition) {
		COSDocument doc = actionDefinition.getDoc();
		if (doc != null) {
			if (!ActionTools.isEnabled(doc, actionType)) {
				return;
			}
		}
		IActionHandler handler = getFactory().lookupActionHandler(actionType);
		if (handler != null) {
			try {
				handler.process(event, actionDefinition);
			} catch (ActionException e) {
				handleException(e);
			}
		}
	}

	public void process(TriggerEvent event, COSName actionType,
			COSObject actionDefinition) {
		processAction(event, actionType, actionDefinition);
		if (actionDefinition instanceof COSDictionary) {
			COSDictionary defDict = (COSDictionary) actionDefinition;
			PDAction action = (PDAction) PDAction.META.createFromCos(defDict);
			List next = action.getNext();
			if (next != null) {
				for (Iterator it = next.iterator(); it.hasNext();) {
					PDAction child = (PDAction) it.next();
					process(event, child.cosGetActionType(), child
							.cosGetObject());
				}
			}
		}
		event.setExecuted(true);
	}
}