SpecfilePackageContainer.java

/*******************************************************************************
 * Copyright (c) 2007, 2009 Red Hat, Inc.
 * 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:
 *    Red Hat - initial API and implementation
 *******************************************************************************/

package org.eclipse.linuxtools.rpm.ui.editor.parser;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.linuxtools.internal.rpm.ui.editor.SpecfileLog;

public class SpecfilePackageContainer extends SpecfileElement {
    List<SpecfilePackage> packages;

    public SpecfilePackageContainer() {
        super();
        packages = new ArrayList<>();
    }

    public SpecfilePackage[] getPackages() {
        try {
            Object [] objs = packages.toArray();
            SpecfilePackage [] packs = new SpecfilePackage[objs.length];
            for (int i = 0; i <  objs.length; i++) {
                SpecfilePackage pack = (SpecfilePackage) objs[i];
                packs[i] = pack;
            }
            return packs;
        }catch (Exception e){
            SpecfileLog.logError(e);
        }
        return new SpecfilePackage[0] ;
    }

    void addPackage(SpecfilePackage subPackage) {
        packages.add(subPackage);
    }

    @Override
    public int getLineStartPosition() {
        if ((packages == null) || (packages.size() == 0)) {
            return 0;
        }

        int lowestStartLine = Integer.MAX_VALUE;

        for (SpecfilePackage subPackage: packages){
            if (subPackage.getLineStartPosition() < lowestStartLine) {
                lowestStartLine = subPackage.getLineStartPosition();
            }
        }

        if (lowestStartLine == Integer.MAX_VALUE) {
            return 0;
        }
        return lowestStartLine;
    }

    @Override
    public int getLineEndPosition() {
        if ((packages == null) || packages.isEmpty()) {
            return 0;
        }

        int highestEndLine = 0;

        for (SpecfilePackage subPackage: packages){
            if (subPackage.getLineStartPosition() > highestEndLine)
                highestEndLine = subPackage.getLineEndPosition();
        }

        if (highestEndLine < 0) {
            return 0;
        }
        return highestEndLine;
    }

    public SpecfilePackage getPackage(String packageName) {
        for (SpecfilePackage thisPackage: packages) {
            if (thisPackage.getPackageName().equals(thisPackage.resolve(packageName))) {
                return thisPackage;
            }
        }
        return null;
    }

    public boolean contains(SpecfilePackage subPackage){
        return packages.contains(subPackage);
    }

    public boolean hasChildren() {
        if (packages != null && packages.size() > 0) {
            return true;
        }
        return false;
    }
}