package com.sun.tools.javac.zip;

import java.io.File;

public final class ZipFileIndexEntry implements Comparable<ZipFileIndexEntry> {

    public static final ZipFileIndexEntry[] EMPTY_ARRAY = {};

    // Directory related

    String dir;

    boolean isDir;

    // File related

    String name;

    int offset;

    int size;

    int compressedSize;

    long javatime;

    private int nativetime;

    public ZipFileIndexEntry(String path) {

        int separator = path.lastIndexOf(File.separatorChar);

        if (separator == -1) {

            dir = "".intern();

            name = path;

        } else {

            dir = path.substring(0, separator).intern();

            name = path.substring(separator + 1);

        }

    }

    public ZipFileIndexEntry(String directory, String name) {

        this.dir = directory.intern();

        this.name = name;

    }

    public String getName() {

        if (dir == null || dir.length() == 0) {

            return name;

        }

        StringBuilder sb = new StringBuilder();

        sb.append(dir);

        sb.append(File.separatorChar);

        sb.append(name);

        return sb.toString();

    }

    public String getFileName() {

        return name;

    }

    public long getLastModified() {

        if (javatime == 0) {

                javatime = dosToJavaTime(nativetime);

        }

        return javatime;

    }

    // From java.util.zip

    private static long dosToJavaTime(int nativetime) {

        // Bootstrap build problems prevent me from using the code directly

        // Convert the raw/native time to a long for now

        return (long)nativetime;

    }

    void setNativeTime(int natTime) {

        nativetime = natTime;

    }

    public boolean isDirectory() {

        return isDir;

    }

    public int compareTo(ZipFileIndexEntry other) {

        String otherD = other.dir;

        if (dir != otherD) {

            int c = dir.compareTo(otherD);

            if (c != 0)

                return c;

        }

        return name.compareTo(other.name);

    }

    public String toString() {

        return isDir ? ("Dir:" + dir + " : " + name) :

            (dir + ":" + name);

    }

}