/*********************************************************************
 * Copyright (c) 2009, 2012 SpringSource, a division of VMware, Inc.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
**********************************************************************/

package org.eclipse.virgo.ide.manifest.core.editor.model;

import org.eclipse.osgi.util.ManifestElement;
import org.eclipse.pde.internal.core.ICoreConstants;
import org.eclipse.pde.internal.core.text.bundle.ManifestHeader;
import org.eclipse.pde.internal.core.text.bundle.PDEManifestElement;
import org.osgi.framework.Constants;

/**
 * @author Leo Dos Santos
 */
public class ImportLibraryObject extends PDEManifestElement {

    private static final long serialVersionUID = 1L;

    public ImportLibraryObject(ManifestHeader header, ManifestElement manifestElement) {
        super(header, manifestElement);
    }

    public ImportLibraryObject(ManifestHeader header, String value) {
        super(header, value);
    }

    public void setId(String id) {
        String old = getId();
        setValue(id);
        this.fHeader.update();
        firePropertyChanged(this, this.fHeader.getName(), old, id);
    }

    public String getId() {
        return getValue();
    }

    public void setVersion(String version) {
        String old = getVersion();
        // Reset the previous value
        setAttribute(Constants.VERSION_ATTRIBUTE, null);
        // Parse the version String into segments
        String[] values = ManifestElement.getArrayFromList(version);
        // If there are values, add them
        if (values != null && values.length > 0) {
            for (String element : values) {
                addAttribute(Constants.VERSION_ATTRIBUTE, element);
            }
        }
        this.fHeader.update();
        firePropertyChanged(this, Constants.VERSION_ATTRIBUTE, old, version);
    }

    public String getVersion() {
        String[] versionSegments = getAttributes(Constants.VERSION_ATTRIBUTE);
        StringBuffer version = new StringBuffer();
        if (versionSegments == null) {
            return null;
        } else if (versionSegments.length == 0) {
            return null;
        } else if (versionSegments.length == 1) {
            version.append(versionSegments[0]);
        } else if (versionSegments.length == 2) {
            version.append(versionSegments[0]);
            version.append(',');
            version.append(versionSegments[1]);
        }
        return version.toString();
    }

    public boolean isOptional() {
        return Constants.RESOLUTION_OPTIONAL.equals(getDirective(Constants.RESOLUTION_DIRECTIVE));

    }

    public void setOptional(boolean optional) {
        boolean old = isOptional();
        if (optional) {
            setDirective(Constants.RESOLUTION_DIRECTIVE, Constants.RESOLUTION_OPTIONAL);
        } else {
            setDirective(Constants.RESOLUTION_DIRECTIVE, null);
            setAttribute(ICoreConstants.OPTIONAL_ATTRIBUTE, null);
        }
        this.fHeader.update();
        firePropertyChanged(this, Constants.RESOLUTION_DIRECTIVE, Boolean.toString(old), Boolean.toString(optional));
    }

}