104 lines
2.7 KiB
Java
104 lines
2.7 KiB
Java
package installer;
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import java.io.*;
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import java.util.*;
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import java.util.zip.*;
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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public class ZipData
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{
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public ZipData(String file) {
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}
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public boolean extractEntry(String entry, String destination,
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JLabel statusLabel) {
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OutputStream out = null;
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InputStream in = null;
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System.out.println("Copying: " + entry);
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System.out.println("To: " + destination);
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if (statusLabel != null) {
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statusLabel.setText("Copying " + entry);
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}
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String entryName;
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if (entry.lastIndexOf("/") != -1) {
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entryName = entry.substring(entry.lastIndexOf("/") + 1);
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}
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else {
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entryName = entry;
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}
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String destName;
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if (destination.lastIndexOf(File.separator) != -1) {
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destName = destination.substring(destination.lastIndexOf(File.separator) + 1);
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}
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else {
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destName = destination;
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}
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if (!destName.equals(entryName))
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destination = destination.concat(entryName);
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System.out.println("Unzipping " + entry + " to " + destination);
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try {
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out = new FileOutputStream(destination);
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}
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catch (IOException ioe) {
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System.err.println("Error opening " + destination +
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": " + ioe.getMessage());
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if (statusLabel != null)
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statusLabel.setText("Error opening" + destination +
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"see SFramework.log for more information");
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return false;
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}
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if (entry.startsWith("/") == false)
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entry = "/" + entry;
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in = this.getClass().getResourceAsStream(entry);
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if (in == null) {
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System.err.println("File " + entry + " not found in jar file");
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if (statusLabel != null)
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statusLabel.setText("Failed extracting " + entry +
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"see SFramework.log for more information");
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return false;
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}
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try {
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byte[] bytes = new byte[1024];
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int len;
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while ((len = in.read(bytes)) != -1)
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out.write(bytes, 0, len);
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}
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catch (IOException ioe) {
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System.err.println("Error writing " + destination + ": " +
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ioe.getMessage());
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if (statusLabel != null)
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statusLabel.setText("Failed writing " + destination +
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"see SFramework.log for more information");
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return false;
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}
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finally {
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try {
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in.close();
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out.close();
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}
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catch (IOException ioe) {
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}
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}
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return true;
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}
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}
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