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1
32
33 package com.jeantessier.dependencyfinder.ant;
34
35 import java.io.*;
36 import java.util.*;
37
38 import org.apache.tools.ant.*;
39 import org.apache.tools.ant.types.*;
40
41 import com.jeantessier.diff.*;
42
43 public class ListDiff extends Task {
44 private String  name = "";
45 private File oldFile;
46 private String oldLabel;
47 private File newFile;
48 private String newLabel;
49 private boolean compress = false;
50 private String encoding = ListDiffPrinter.DEFAULT_ENCODING;
51 private String dtdPrefix = ListDiffPrinter.DEFAULT_DTD_PREFIX;
52 private String indentText;
53 private File destfile;
54
55 public String getName() {
56 return name;
57 }
58
59 public void setName(String name) {
60 this.name = name;
61 }
62
63 public File getOld() {
64 return oldFile;
65 }
66
67 public void setOld(File oldFile) {
68 this.oldFile = oldFile;
69 }
70
71 public String getOldlabel() {
72 return oldLabel;
73 }
74
75 public void setOldlabel(String oldLabel) {
76 this.oldLabel = oldLabel;
77 }
78
79 public File getNew() {
80 return newFile;
81 }
82
83 public void setNew(File newFile) {
84 this.newFile = newFile;
85 }
86
87 public String getNewlabel() {
88 return newLabel;
89 }
90
91 public void setNewlabel(String newLabel) {
92 this.newLabel = newLabel;
93 }
94
95 public boolean getCompress() {
96 return compress;
97 }
98
99 public void setCompress(boolean compress) {
100 this.compress = compress;
101 }
102
103 public String getEncoding() {
104 return dtdPrefix;
105 }
106
107 public void setEncoding(String encoding) {
108 this.encoding = encoding;
109 }
110
111 public String getDtdprefix() {
112 return dtdPrefix;
113 }
114
115 public void setDtdprefix(String dtdPrefix) {
116 this.dtdPrefix = dtdPrefix;
117 }
118
119 public String getIndenttext() {
120 return indentText;
121 }
122
123 public void setIntenttext(String indentText) {
124 this.indentText = indentText;
125 }
126
127 public File getDestfile() {
128 return destfile;
129 }
130
131 public void setDestfile(File destfile) {
132 this.destfile = destfile;
133 }
134
135 public void execute() throws BuildException {
136
138 if (getOld() == null) {
139 throw new BuildException("old must be set!");
140 }
141
142 if (!getOld().exists()) {
143 throw new BuildException("old does not exist!");
144 }
145
146 if (!getOld().isFile()) {
147 throw new BuildException("old is not a file!");
148 }
149
150 if (getNew() == null) {
151 throw new BuildException("new must be set!");
152 }
153
154 if (!getNew().exists()) {
155 throw new BuildException("new does not exist!");
156 }
157
158 if (!getNew().isFile()) {
159 throw new BuildException("new is not a file!");
160 }
161
162 if (getDestfile() == null) {
163 throw new BuildException("destfile must be set!");
164 }
165
166 VerboseListener verboseListener = new VerboseListener(this);
167
168 try {
169 String line;
170
171 log("Loading old list from " + getOld().getAbsolutePath());
172 Collection oldAPI = new TreeSet();
173 BufferedReader oldIn = new BufferedReader(new FileReader(getOld()));
174 while((line = oldIn.readLine()) != null) {
175 oldAPI.add(line);
176 }
177 oldIn.close();
178
179 log("Loading new list from " + getNew().getAbsolutePath());
180 Collection newAPI = new TreeSet();
181 BufferedReader newIn = new BufferedReader(new FileReader(getNew()));
182 while((line = newIn.readLine()) != null) {
183 newAPI.add(line);
184 }
185 newIn.close();
186
187 log("Comparing old and new lists ...");
188
189 ListDiffPrinter printer = new ListDiffPrinter(getCompress(), getEncoding(), getDtdprefix());
190 printer.setName(getName());
191 printer.setOldVersion(getOldlabel());
192 printer.setNewVersion(getNewlabel());
193 if (getIndenttext() != null) {
194 printer.setIndentText(getIndenttext());
195 }
196
197 Iterator i;
198
199 i = oldAPI.iterator();
200 while (i.hasNext()) {
201 line = (String ) i.next();
202 if (!newAPI.contains(line)) {
203 printer.remove(line);
204 }
205 }
206
207 i = newAPI.iterator();
208 while (i.hasNext()) {
209 line = (String ) i.next();
210 if (!oldAPI.contains(line)) {
211 printer.add(line);
212 }
213 }
214
215 log("Saving difference report to " + getDestfile().getAbsolutePath());
216
217 PrintWriter out = new PrintWriter(new FileWriter(getDestfile()));
218 out.print(printer);
219 out.close();
220 } catch (IOException ex) {
221 throw new BuildException(ex);
222 }
223 }
224 }
225 |
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