org.lunifera.ecview.core.common.uri.FragmentScope.java Source code

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Here is the source code for org.lunifera.ecview.core.common.uri.FragmentScope.java

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/**
 * Copyright (c) 2012 Lunifera GmbH (Austria) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Florian Pirchner - initial API and implementation
 */
package org.lunifera.ecview.core.common.uri;

import java.lang.reflect.InvocationTargetException;
import java.net.URI;

import org.apache.commons.beanutils.PropertyUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class FragmentScope extends AbstractScope {

    private static final Logger logger = LoggerFactory.getLogger(FragmentScope.class);

    private static final String SEGMENT_TEMPLATE = "#%s";
    private final BeanScope parent;
    private final String selector;

    public FragmentScope(BeanScope parent, String selector) {
        this.parent = parent;
        this.selector = selector;

        setURISegment(String.format(SEGMENT_TEMPLATE, selector));
    }

    /**
     * Returns the URI representation of this bean scope.
     * 
     * @return URI
     */
    public URI toURI() {
        return URI.create(toURIString());
    }

    /**
     * Returns the URI string of the produced string token.
     * 
     * @return String string
     */
    public String toURIString() {
        return parent.toURIString().concat(getURISegment());
    }

    @SuppressWarnings("unchecked")
    @Override
    public <A extends AccessibleScope> A root() {
        return (A) parent.getViewScope();
    }

    public Object access(Object bean) {
        Object result = null;
        try {
            result = PropertyUtils.getProperty(bean, selector);
        } catch (IllegalAccessException e) {
            logger.error("{}", e);
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            logger.error("{}", e);
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            logger.error("{}", e);
            e.printStackTrace();
        }
        return result;
    }

    /**
     * Returns the URISegment but removing the first #.
     * 
     * @return
     */
    public String getFragmentContent() {
        return getURISegment().replace("#", "");
    }

    public String toString() {
        return toURIString();
    }

}