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1
23
24
29
30 package com.sun.enterprise.deployment.deploy.shared;
31
32 import java.io.InputStream  ;
33 import java.io.OutputStream ;
34 import java.io.IOException ;
35 import java.io.ByteArrayInputStream ;
36 import java.io.ByteArrayOutputStream ;
37 import java.io.BufferedInputStream ;
38 import java.io.BufferedOutputStream ;
39 import java.io.File ;
40 import java.io.FileInputStream ;
41 import java.io.FileNotFoundException ;
42 import java.net.URI ;
43
44 import java.util.Vector ;
45 import java.util.Enumeration ;
46
47 import java.util.jar.Manifest ;
48 import java.util.zip.ZipEntry ;
49 import java.util.jar.JarInputStream ;
50 import java.util.jar.JarOutputStream ;
51
52 import com.sun.enterprise.deployment.deploy.shared.AbstractArchive;
53 import com.sun.enterprise.util.shared.ArchivistUtils;
54
55
59 public class MemoryMappedArchive extends AbstractArchive {
60
61 byte[] file;
62
63
64 protected MemoryMappedArchive() {
65 }
67
68
69 public MemoryMappedArchive(InputStream is) throws IOException {
70 read(is);
71 }
72
73 public byte[] getByteArray() {
74 return file;
75 }
76
77 private void read(InputStream is) throws IOException {
78 ByteArrayOutputStream baos = new ByteArrayOutputStream ();
79 ArchivistUtils.copy(new BufferedInputStream (is), new BufferedOutputStream (baos));
80 file = baos.toByteArray();
81
82 }
83
84 public void open(String path) throws IOException {
85 File in = new File (path);
86 if (!in.exists()) {
87 throw new FileNotFoundException (path);
88 }
89 FileInputStream is = new FileInputStream (in);
90 read(is);
91 }
92
93 public MemoryMappedArchive(AbstractArchive source) throws IOException {
95 ByteArrayOutputStream baos = new ByteArrayOutputStream ();
96 JarOutputStream jos = new JarOutputStream (new BufferedOutputStream (baos));
97 for (Enumeration elements = source.entries();elements.hasMoreElements();) {
98 String elementName = (String ) elements.nextElement();
99 InputStream is = source.getEntry(elementName);
100 jos.putNextEntry(new ZipEntry (elementName));
101 ArchivistUtils.copyWithoutClose(is, jos);
102 is.close();
103 jos.flush();
104 jos.closeEntry();
105 }
106 jos.close();
107 file = baos.toByteArray();
108 }
109
110
115 public OutputStream putNextEntry(String name) throws IOException {
116 return null;
117 }
118
119
122 public void close() throws IOException {
123 }
124
125
131 public void closeEntry(AbstractArchive os) throws IOException {
132 }
133
134
138 public void closeEntry() throws IOException {
139 }
140
141
144 public boolean delete() {
145 return false;
146 }
147
148
152 public Enumeration entries() {
153 Vector entries = new Vector ();
154 try {
155 JarInputStream jis = new JarInputStream (new ByteArrayInputStream (file));
156 ZipEntry ze;
157 while ((ze=jis.getNextEntry())!=null) {
158 entries.add(ze.getName());
159 }
160 jis.close();
161 } catch(IOException ioe) {
162 ioe.printStackTrace();
163 }
164 return entries.elements();
165 }
166
167
172 public Enumeration entries(Enumeration embeddedArchives) {
173 return entries();
175 }
176
177
180 public boolean exists() {
181 return false;
182 }
183
184
187 public String getArchiveUri() {
188 return null;
189 }
190
191
195 public long getArchiveSize() throws NullPointerException , SecurityException {
196 return(file.length);
197 }
198
199 public URI getURI() {
200 return null;
201 }
202
203
208 public AbstractArchive getEmbeddedArchive(String name) throws IOException {
209 InputStream is = getEntry(name);
210 if (is!=null) {
211 AbstractArchive archive = new MemoryMappedArchive(is);
212 is.close();
213 return archive;
214 }
215 return null;
216 }
217
218
223 public InputStream getEntry(String name) throws IOException {
224 JarInputStream jis = new JarInputStream (new ByteArrayInputStream (file));
225 ZipEntry ze;
226 while ((ze=jis.getNextEntry())!=null) {
227 if (ze.getName().equals(name))
228 return new BufferedInputStream (jis);
229 }
230 return null;
231 }
232
233
236 public Manifest getManifest() throws IOException {
237 JarInputStream jis = new JarInputStream (new ByteArrayInputStream (file));
238 Manifest m = jis.getManifest();
239 jis.close();
240 return m;
241 }
242
243
248 public boolean renameTo(String name) {
249 return false;
250 }
251
252 }
253 |
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