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1
11 package org.eclipse.jdt.internal.compiler.tool;
12
13 import java.io.File  ;
14 import java.io.IOException ;
15 import java.io.InputStream ;
16 import java.io.OutputStream ;
17 import java.io.Reader ;
18 import java.io.Writer ;
19 import java.net.URI ;
20 import java.net.URISyntaxException ;
21 import java.nio.charset.Charset ;
22 import java.util.zip.ZipEntry ;
23 import java.util.zip.ZipFile ;
24
25 import javax.lang.model.element.Modifier;
26 import javax.lang.model.element.NestingKind;
27 import javax.tools.JavaFileObject;
28
29 import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
30 import org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader;
31 import org.eclipse.jdt.internal.compiler.classfmt.ClassFormatException;
32
33
36 public class ArchiveFileObject implements JavaFileObject {
37 private ZipEntry zipEntry;
38 private ZipFile zipFile;
39 private String entryName;
40 private File file;
41 private Charset charset;
42
43 public ArchiveFileObject(File file, ZipFile zipFile, String entryName, Charset charset) {
44 this.zipFile = zipFile;
45 this.zipEntry = zipFile.getEntry(entryName);
46 this.entryName = entryName;
47 this.file = file;
48 this.charset = charset;
49 }
50
51
54 public Modifier getAccessLevel() {
55 if (getKind() != Kind.CLASS) {
57 return null;
58 }
59 ClassFileReader reader = null;
60 try {
61 reader = ClassFileReader.read(this.zipFile, this.entryName);
62 } catch (ClassFormatException e) {
63 } catch (IOException e) {
65 }
67 if (reader == null) {
68 return null;
69 }
70 final int accessFlags = reader.accessFlags();
71 if ((accessFlags & ClassFileConstants.AccPublic) != 0) {
72 return Modifier.PUBLIC;
73 }
74 if ((accessFlags & ClassFileConstants.AccAbstract) != 0) {
75 return Modifier.ABSTRACT;
76 }
77 if ((accessFlags & ClassFileConstants.AccFinal) != 0) {
78 return Modifier.FINAL;
79 }
80 return null;
81 }
82
83
86 public Kind getKind() {
87 String name = this.entryName.toLowerCase();
88 if (name.endsWith(Kind.CLASS.extension)) {
89 return Kind.CLASS;
90 } else if (name.endsWith(Kind.SOURCE.extension)) {
91 return Kind.SOURCE;
92 } else if (name.endsWith(Kind.HTML.extension)) {
93 return Kind.HTML;
94 }
95 return Kind.OTHER;
96 }
97
98
101 public NestingKind getNestingKind() {
102 switch(getKind()) {
103 case SOURCE :
104 return NestingKind.TOP_LEVEL;
105 case CLASS :
106 ClassFileReader reader = null;
107 try {
108 reader = ClassFileReader.read(this.zipFile, this.entryName);
109 } catch (ClassFormatException e) {
110 } catch (IOException e) {
112 }
114 if (reader == null) {
115 return null;
116 }
117 if (reader.isAnonymous()) {
118 return NestingKind.ANONYMOUS;
119 }
120 if (reader.isLocal()) {
121 return NestingKind.LOCAL;
122 }
123 if (reader.isMember()) {
124 return NestingKind.MEMBER;
125 }
126 return NestingKind.TOP_LEVEL;
127 default:
128 return null;
129 }
130 }
131
132
135 public boolean isNameCompatible(String simpleName, Kind kind) {
136 return this.zipEntry.getName().endsWith(simpleName + kind.extension);
137 }
138
139
142 public boolean delete() {
143 throw new UnsupportedOperationException ();
144 }
145
146 public boolean equals(Object o) {
147 if (!(o instanceof ArchiveFileObject)) {
148 return false;
149 }
150 ArchiveFileObject archiveFileObject = (ArchiveFileObject) o;
151 return archiveFileObject.toUri().equals(this.toUri());
152 }
153
154
157 public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
158 if (getKind() == Kind.SOURCE) {
159 return Util.getCharContents(this, ignoreEncodingErrors, org.eclipse.jdt.internal.compiler.util.Util.getZipEntryByteContent(this.zipEntry, this.zipFile), this.charset.toString());
160 }
161 return null;
162 }
163
164
167 public long getLastModified() {
168 return this.zipEntry.getTime(); }
170
171
174 public String getName() {
175 return this.zipEntry.getName();
176 }
177
178
181 public InputStream openInputStream() throws IOException {
182 return this.zipFile.getInputStream(this.zipEntry);
183 }
184
185
188 public OutputStream openOutputStream() throws IOException {
189 throw new UnsupportedOperationException ();
190 }
191
192
195 public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
196 throw new UnsupportedOperationException ();
197 }
198
199
202 public Writer openWriter() throws IOException {
203 throw new UnsupportedOperationException ();
204 }
205
206
209 public URI toUri() {
210 try {
211 return new URI ("jar:" + this.file.toURI().getPath() + "!" + this.zipEntry.getName()); } catch (URISyntaxException e) {
213 return null;
214 }
215 }
216
217
218 @Override
219 public String toString() {
220 return this.file.getAbsolutePath() + "[" + this.zipEntry.getName() + "]"; }
222 }
223 |
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