niagara-ax/modules/cfr_output/com/ice/tar/FastTarStream.java

/*
 * Decompiled with CFR 0.152.
 */
package com.ice.tar;

import com.ice.tar.InvalidHeaderException;
import com.ice.tar.TarEntry;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.GZIPInputStream;

/*
 * Illegal identifiers - consider using --renameillegalidents true
 */
public class FastTarStream {
    private boolean debug;
    private boolean hasHitEOF;
    private TarEntry currEntry;
    private InputStream inStream;
    private int recordSize;

    public void setDebug(boolean bl) {
        this.debug = bl;
    }

    public TarEntry getNextEntry() throws IOException {
        int n;
        int n2;
        if (this.hasHitEOF) {
            return null;
        }
        if (this.currEntry != null && this.currEntry.getSize() > 0L && (n2 = ((int)this.currEntry.getSize() + (this.recordSize - 1)) / this.recordSize) > 0) {
            this.inStream.skip(n2 * this.recordSize);
        }
        byte[] byArray = new byte[this.recordSize];
        int n3 = 0;
        int n4 = this.recordSize;
        while (n4 > 0) {
            n = this.inStream.read(byArray, n3, n4);
            if (n == -1) {
                this.hasHitEOF = true;
                break;
            }
            n3 += n;
            n4 -= n;
        }
        if (!this.hasHitEOF) {
            this.hasHitEOF = true;
            n4 = 0;
            while (n4 < byArray.length) {
                if (byArray[n4] != 0) {
                    this.hasHitEOF = false;
                    break;
                }
                ++n4;
            }
        }
        if (this.hasHitEOF) {
            this.currEntry = null;
        } else {
            try {
                this.currEntry = new TarEntry(byArray);
                if (this.debug) {
                    byte[] byArray2 = new byte[byArray.length];
                    n = 0;
                    while (n < byArray.length) {
                        byArray2[n] = byArray[n] == 0 ? 20 : byArray[n];
                        ++n;
                    }
                    String string = new String(byArray2);
                    System.out.println("\n" + string);
                }
                if (byArray[257] != 117 || byArray[258] != 115 || byArray[259] != 116 || byArray[260] != 97 || byArray[261] != 114) {
                    throw new InvalidHeaderException("header magic is not'ustar', but '" + byArray[257] + byArray[258] + byArray[259] + byArray[260] + byArray[261] + "', or (dec) " + byArray[257] + ", " + byArray[258] + ", " + byArray[259] + ", " + byArray[260] + ", " + byArray[261]);
                }
            }
            catch (InvalidHeaderException invalidHeaderException) {
                this.currEntry = null;
                throw invalidHeaderException;
            }
        }
        return this.currEntry;
    }

    public static void main(String[] stringArray) {
        boolean bl = false;
        InputStream inputStream = null;
        try {
            TarEntry tarEntry;
            int n = 0;
            if (stringArray.length > 0) {
                if (stringArray[n].equals("-d")) {
                    bl = true;
                    ++n;
                }
                inputStream = stringArray[n].endsWith(".gz") || stringArray[n].endsWith(".tgz") ? new GZIPInputStream(new FileInputStream(stringArray[n])) : new FileInputStream(stringArray[n]);
            } else {
                inputStream = System.in;
            }
            FastTarStream fastTarStream = new FastTarStream(inputStream);
            fastTarStream.setDebug(bl);
            int n2 = 56;
            int n3 = 9;
            int n4 = 8;
            StringBuffer stringBuffer = new StringBuffer(128);
            while ((tarEntry = fastTarStream.getNextEntry()) != null) {
                if (tarEntry.isDirectory()) {
                    System.out.print("D ");
                    stringBuffer.setLength(0);
                    stringBuffer.append(tarEntry.getName());
                    stringBuffer.setLength(stringBuffer.length() - 1);
                    if (stringBuffer.length() > n2) {
                        stringBuffer.setLength(n2);
                    }
                    while (stringBuffer.length() < n2) {
                        stringBuffer.append('_');
                    }
                    stringBuffer.append('_');
                    System.out.print(stringBuffer.toString());
                    stringBuffer.setLength(0);
                    while (stringBuffer.length() < n3) {
                        stringBuffer.insert(0, '_');
                    }
                    stringBuffer.append(' ');
                    System.out.print(stringBuffer.toString());
                    stringBuffer.setLength(0);
                    stringBuffer.append(tarEntry.getUserName());
                    if (stringBuffer.length() > n4) {
                        stringBuffer.setLength(n4);
                    }
                    while (stringBuffer.length() < n4) {
                        stringBuffer.append(' ');
                    }
                    System.out.print(stringBuffer.toString());
                } else {
                    System.out.print("F ");
                    stringBuffer.setLength(0);
                    stringBuffer.append(tarEntry.getName());
                    if (stringBuffer.length() > n2) {
                        stringBuffer.setLength(n2);
                    }
                    while (stringBuffer.length() < n2) {
                        stringBuffer.append(' ');
                    }
                    stringBuffer.append(' ');
                    System.out.print(stringBuffer.toString());
                    stringBuffer.setLength(0);
                    stringBuffer.append(tarEntry.getSize());
                    if (stringBuffer.length() > n3) {
                        stringBuffer.setLength(n3);
                    }
                    while (stringBuffer.length() < n3) {
                        stringBuffer.insert(0, ' ');
                    }
                    stringBuffer.append(' ');
                    System.out.print(stringBuffer.toString());
                    stringBuffer.setLength(0);
                    stringBuffer.append(tarEntry.getUserName());
                    if (stringBuffer.length() > n4) {
                        stringBuffer.setLength(n4);
                    }
                    while (stringBuffer.length() < n4) {
                        stringBuffer.append(' ');
                    }
                    System.out.print(stringBuffer.toString());
                }
                System.out.println("");
            }
        }
        catch (IOException iOException) {
            iOException.printStackTrace(System.err);
        }
    }

    private final /* synthetic */ void this() {
        this.debug = false;
        this.hasHitEOF = false;
        this.currEntry = null;
        this.inStream = null;
        this.recordSize = 512;
    }

    public FastTarStream(InputStream inputStream) {
        this(inputStream, 512);
    }

    public FastTarStream(InputStream inputStream, int n) {
        this.this();
        this.inStream = inputStream;
        this.hasHitEOF = false;
        this.currEntry = null;
        this.recordSize = n;
    }
}