view src/com/trilead/ssh2/compression/CompressionFactory.java @ 10:e773d0952613
tn5250
adding tn5250 files
author
Carl Byington <carl@five-ten-sg.com>
date
Thu, 22 May 2014 16:11:14 -0700 (2014-05-22)
parents
0ce5cc452d02
children
line source
+ − /*
+ − * ConnectBot: simple, powerful, open-source SSH client for Android
+ − * Copyright 2007 Kenny Root, Jeffrey Sharkey
+ − *
+ − * Licensed under the Apache License, Version 2.0 (the "License");
+ − * you may not use this file except in compliance with the License.
+ − * You may obtain a copy of the License at
+ − *
+ − * http://www.apache.org/licenses/LICENSE-2.0
+ − *
+ − * Unless required by applicable law or agreed to in writing, software
+ − * distributed under the License is distributed on an "AS IS" BASIS,
+ − * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ − * See the License for the specific language governing permissions and
+ − * limitations under the License.
+ − */
+ −
+ − package com.trilead.ssh2.compression;
+ −
+ − import java.util.Vector;
+ −
+ − /**
+ − * @author Kenny Root
+ − *
+ − */
+ − public class CompressionFactory {
+ − static class CompressorEntry {
+ − String type;
+ − String compressorClass;
+ −
+ − public CompressorEntry(String type, String compressorClass) {
+ − this.type = type;
+ − this.compressorClass = compressorClass;
+ − }
+ − }
+ −
+ − static Vector<CompressorEntry> compressors = new Vector<CompressorEntry>();
+ −
+ − static {
+ − /* Higher Priority First */
+ − compressors.addElement(new CompressorEntry("zlib", "com.trilead.ssh2.compression.Zlib"));
+ − compressors.addElement(new CompressorEntry("zlib@openssh.com", "com.trilead.ssh2.compression.ZlibOpenSSH"));
+ − compressors.addElement(new CompressorEntry("none", ""));
+ − }
+ −
+ − public static String[] getDefaultCompressorList() {
+ − String list[] = new String[compressors.size()];
+ −
+ − for (int i = 0; i < compressors.size(); i++) {
+ − CompressorEntry ce = compressors.elementAt(i);
+ − list[i] = new String(ce.type);
+ − }
+ −
+ − return list;
+ − }
+ −
+ − public static void checkCompressorList(String[] compressorCandidates) {
+ − for (int i = 0; i < compressorCandidates.length; i++)
+ − getEntry(compressorCandidates[i]);
+ − }
+ −
+ − public static ICompressor createCompressor(String type) {
+ − try {
+ − CompressorEntry ce = getEntry(type);
+ −
+ − if ("".equals(ce.compressorClass))
+ − return null;
+ −
+ − Class<?> cc = Class.forName(ce.compressorClass);
+ − ICompressor cmp = (ICompressor) cc.newInstance();
+ − return cmp;
+ − }
+ − catch (Exception e) {
+ − throw new IllegalArgumentException("Cannot instantiate " + type);
+ − }
+ − }
+ −
+ − private static CompressorEntry getEntry(String type) {
+ − for (int i = 0; i < compressors.size(); i++) {
+ − CompressorEntry ce = compressors.elementAt(i);
+ −
+ − if (ce.type.equals(type))
+ − return ce;
+ − }
+ −
+ − throw new IllegalArgumentException("Unkown algorithm " + type);
+ − }
+ − }