1 /**
2 *
3 * Copyright 2003-2004 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.geronimo.deployment.cli;
19
20 import java.io.BufferedReader;
21 import java.io.IOException;
22 import java.io.StringReader;
23 import java.util.Collection;
24 import java.util.LinkedList;
25 import java.util.List;
26 import javax.enterprise.deploy.spi.TargetModuleID;
27 import org.apache.geronimo.common.DeploymentException;
28 import org.apache.geronimo.deployment.plugin.ConfigIDExtractor;
29 import org.apache.geronimo.kernel.repository.Artifact;
30
31 /**
32 * Various helpers for deployment.
33 *
34 * @version $Rev: 396315 $ $Date: 2006-04-23 13:48:50 -0700 (Sun, 23 Apr 2006) $
35 */
36 public class DeployUtils extends ConfigIDExtractor {
37 /**
38 * Split up an output line so it indents at beginning and end (to fit in a
39 * typical terminal) and doesn't break in the middle of a word.
40 * @param source The unformatted String
41 * @param indent The number of characters to indent on the left
42 * @param endCol The maximum width of the entire line in characters,
43 * including indent (indent 10 with endCol 70 results
44 * in 60 "usable" characters).
45 */
46 public static String reformat(String source, int indent, int endCol) {
47 if(endCol-indent < 10) {
48 throw new IllegalArgumentException("This is ridiculous!");
49 }
50 StringBuffer buf = new StringBuffer((int)(source.length()*1.1));
51 String prefix = indent == 0 ? "" : buildIndent(indent);
52 try {
53 BufferedReader in = new BufferedReader(new StringReader(source));
54 String line;
55 int pos;
56 while((line = in.readLine()) != null) {
57 if(buf.length() > 0) {
58 buf.append('\n');
59 }
60 while(line.length() > 0) {
61 line = prefix + line;
62 if(line.length() > endCol) {
63 pos = line.lastIndexOf(' ', endCol);
64 if(pos < indent) {
65 pos = line.indexOf(' ', endCol);
66 if(pos < indent) {
67 pos = line.length();
68 }
69 }
70 buf.append(line.substring(0, pos)).append('\n');
71 if(pos < line.length()-1) {
72 line = line.substring(pos+1);
73 } else {
74 break;
75 }
76 } else {
77 buf.append(line).append("\n");
78 break;
79 }
80 }
81 }
82 } catch (IOException e) {
83 throw new AssertionError("This should be impossible");
84 }
85 return buf.toString();
86 }
87
88 private static String buildIndent(int indent) {
89 StringBuffer buf = new StringBuffer(indent);
90 for(int i=0; i<indent; i++) {
91 buf.append(' ');
92 }
93 return buf.toString();
94 }
95
96
97 }