org.kalypso.zml.core.base.MultipleTsLink.java Source code

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Here is the source code for org.kalypso.zml.core.base.MultipleTsLink.java

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/*----------------    FILE HEADER KALYPSO ------------------------------------------
 *
 *  This file is part of kalypso.
 *  Copyright (C) 2004 by:
 *
 *  Technical University Hamburg-Harburg (TUHH)
 *  Institute of River and coastal engineering
 *  Denickestrae 22
 *  21073 Hamburg, Germany
 *  http://www.tuhh.de/wb
 *
 *  and
 *
 *  Bjoernsen Consulting Engineers (BCE)
 *  Maria Trost 3
 *  56070 Koblenz, Germany
 *  http://www.bjoernsen.de
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact:
 *
 *  E-Mail:
 *  belger@bjoernsen.de
 *  schlienger@bjoernsen.de
 *  v.doemming@tuhh.de
 *
 *  ---------------------------------------------------------------------------*/
package org.kalypso.zml.core.base;

import java.util.LinkedHashSet;
import java.util.Set;
import java.util.TreeSet;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.eclipse.core.runtime.Assert;

/**
 * @author Dirk Kuch
 */
public class MultipleTsLink implements IMultipleZmlSourceElement {
    private final Set<IndexedTsLink> m_links = new LinkedHashSet<>();

    private final String m_identifier;

    public MultipleTsLink(final String identifier) {
        Assert.isNotNull(identifier);

        m_identifier = identifier;
    }

    @Override
    public String getIdentifier() {
        return m_identifier;
    }

    @Override
    public boolean equals(final Object obj) {
        if (obj instanceof MultipleTsLink) {
            final MultipleTsLink other = (MultipleTsLink) obj;

            final EqualsBuilder builder = new EqualsBuilder();
            builder.append(getIdentifier(), other.getIdentifier());

            final TSLinkWithName[] links = getSources();
            final TSLinkWithName[] otherLinks = other.getSources();
            if (links.length != otherLinks.length)
                return false;

            final String[] set = getSortedLinks(links);
            final String[] otherSet = getSortedLinks(otherLinks);

            for (int i = 0; i < links.length; i++) {
                builder.append(set[i], otherSet[i]);
            }

            return builder.isEquals();
        }

        return super.equals(obj);
    }

    private String[] getSortedLinks(final TSLinkWithName[] links) {
        final Set<String> identifiers = new TreeSet<>();
        for (final TSLinkWithName link : links) {
            identifiers.add(link.getIdentifier());
        }

        return identifiers.toArray(new String[] {});
    }

    @Override
    public int hashCode() {
        final HashCodeBuilder builder = new HashCodeBuilder();
        builder.append(MultipleTsLink.class.getName());
        builder.append(getIdentifier());

        final TSLinkWithName[] links = getSources();
        for (final TSLinkWithName link : links) {
            builder.append(link.getHref());
        }

        return builder.toHashCode();
    }

    @Override
    public void add(final IZmlSourceElement link) {
        m_links.add((IndexedTsLink) link);
    }

    @Override
    public IndexedTsLink[] getSources() {
        return m_links.toArray(new IndexedTsLink[] {});
    }

    public boolean isIgnoreType(final String[] currentIgnoreTypes) {
        if (currentIgnoreTypes == null)
            return false;

        final String identifier = getIdentifier();
        if (StringUtils.isEmpty(identifier))
            return false;

        final String type = getType();

        return ArrayUtils.contains(currentIgnoreTypes, type);
    }

    @Override
    public String getType() {
        return ZmlSourceElements.getType(this);
    }

    @Override
    public String toString() {
        return String.format("multiple link(%d) - %s", m_links.size(), m_identifier); //$NON-NLS-1$
    }
}