1 package org.apache.maven.wagon.providers.ssh;
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21 import org.apache.sshd.server.Command;
22 import org.apache.sshd.server.CommandFactory;
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24 import java.util.ArrayList;
25 import java.util.List;
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36 public class ScpCommandFactory
37 implements CommandFactory {
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39 private CommandFactory delegate;
40
41 public ScpCommandFactory() {
42 }
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44 public ScpCommandFactory( CommandFactory delegate ) {
45 this.delegate = delegate;
46 }
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57 public Command createCommand(String command) {
58 try {
59 return new ScpCommand(splitCommandString(command));
60 } catch (IllegalArgumentException iae) {
61 if (delegate != null) {
62 return delegate.createCommand(command);
63 }
64 throw iae;
65 }
66 }
67
68 private String[] splitCommandString(String command) {
69 if (!command.trim().startsWith("scp")) {
70 throw new IllegalArgumentException("Unknown command, does not begin with 'scp'");
71 }
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73 String[] args = command.split(" ");
74 List<String> parts = new ArrayList<String>();
75 parts.add(args[0]);
76 for (int i = 1; i < args.length; i++) {
77 if (!args[i].trim().startsWith("-")) {
78 parts.add(concatenateWithSpace(args, i));
79 break;
80 } else {
81 parts.add(args[i]);
82 }
83 }
84 return parts.toArray(new String[parts.size()]);
85 }
86
87 private String concatenateWithSpace(String[] args, int from) {
88 StringBuilder sb = new StringBuilder();
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90 for (int i = from; i < args.length; i++) {
91 sb.append(args[i] + " ");
92 }
93 return sb.toString().trim();
94 }
95 }