net.diibadaaba.zipdiff.Differences Maven / Gradle / Ivy

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/* zipdiff is available under the terms of the
 * Apache License, version 2.0
 *
 * Link: http://www.apache.org/licenses/
 */
package net.diibadaaba.zipdiff;

import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;

import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
/**
 * Used to keep track of difference between 2 zip files.
 *
 * @author Sean C. Sullivan
 */
public class Differences {
    private final Map added = new TreeMap();
    private final Map removed = new TreeMap();
    private final Map changed = new TreeMap();
    private final Map ignored = new TreeMap();
	private final Map unchanged = new TreeMap();
    private String filename1;
    private String filename2;

    public Differences() {
        // todo 
    }

    public void setFilename1(String filename) {
        filename1 = filename;
    }

    public void setFilename2(String filename) {
        filename2 = filename;
    }

    public String getFilename1() {
        return filename1;
    }

    public String getFilename2() {
        return filename2;
    }

    public void fileAdded(String fqn, ZipArchiveEntry ze) {
        added.put(fqn, ze);
    }

    public void fileRemoved(String fqn, ZipArchiveEntry ze) {
        removed.put(fqn, ze);
    }

    public void fileIgnored(String fqn, ZipArchiveEntry ze) {
        ignored.put(fqn, ze);
    }

    public void fileChanged(String fqn, ZipArchiveEntry z1, ZipArchiveEntry z2) {
        ZipArchiveEntry[] entries = new ZipArchiveEntry[2];
        entries[0] = z1;
        entries[1] = z2;
        changed.put(fqn, entries);
    }

    public Map getAdded() {
        return added;
    }

    public Map getRemoved() {
        return removed;
    }

    public Map getChanged() {
        return changed;
    }

    public Map getUnchanged() {
        return unchanged;
    }

    public Map getIgnored() {
        return ignored;
    }

    public boolean hasDifferences() {
        return ((getChanged().size() > 0) || (getAdded().size() > 0) || (getRemoved().size() > 0));
    }

    public String toString() {
        StringBuffer sb = new StringBuffer();

        if (added.size() == 1) {
            sb.append("1 file was");
        } else {
            sb.append(added.size() + " files were");
        }
        sb.append(" added to " + this.getFilename2() + "\n");

        Iterator iter = added.keySet().iterator();
        while (iter.hasNext()) {
            String name = iter.next();
            sb.append("\t[added] " + name + "\n");
        }

        if (removed.size() == 1) {
            sb.append("1 file was");
        } else {
            sb.append(removed.size() + " files were");
        }
        sb.append(" removed from " + this.getFilename2() + "\n");

        iter = removed.keySet().iterator();
        while (iter.hasNext()) {
            String name = iter.next();
            sb.append("\t[removed] " + name + "\n");
        }

        if (changed.size() == 1) {
            sb.append("1 file changed\n");
        } else {
            sb.append(changed.size() + " files changed\n");
        }

        Set keys = getChanged().keySet();
        iter = keys.iterator();
        while (iter.hasNext()) {
            String name = iter.next();
            ZipArchiveEntry[] entries = getChanged().get(name);
            sb.append("\t[changed] " + name + " ");
            sb.append(" ( size " + entries[0].getSize());
            sb.append(" : " + entries[1].getSize());
            sb.append(" )\n");
        }
        int differenceCount = added.size() + changed.size() + removed.size();

        sb.append("Total differences: " + differenceCount);
        return sb.toString();
    }

	public void fileUnchanged(String fqn, ZipArchiveEntry z1, ZipArchiveEntry z2) {
        ZipArchiveEntry[] entries = new ZipArchiveEntry[2];
        entries[0] = z1;
        entries[1] = z2;
        unchanged.put(fqn, entries);
		
	}
}