Source Code Cross Referenced for JBIArchive.java in  » ESB » open-esb » com » sun » jbi » ui » common » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ESB » open esb » com.sun.jbi.ui.common 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * BEGIN_HEADER - DO NOT EDIT
003:         *
004:         * The contents of this file are subject to the terms
005:         * of the Common Development and Distribution License
006:         * (the "License").  You may not use this file except
007:         * in compliance with the License.
008:         *
009:         * You can obtain a copy of the license at
010:         * https://open-esb.dev.java.net/public/CDDLv1.0.html.
011:         * See the License for the specific language governing
012:         * permissions and limitations under the License.
013:         *
014:         * When distributing Covered Code, include this CDDL
015:         * HEADER in each file and include the License file at
016:         * https://open-esb.dev.java.net/public/CDDLv1.0.html.
017:         * If applicable add the following below this CDDL HEADER,
018:         * with the fields enclosed by brackets "[]" replaced with
019:         * your own identifying information: Portions Copyright
020:         * [year] [name of copyright owner]
021:         */
022:
023:        /*
024:         * @(#)JBIArchive.java
025:         * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
026:         *
027:         * END_HEADER - DO NOT EDIT
028:         */
029:        package com.sun.jbi.ui.common;
030:
031:        import java.io.File;
032:        import java.io.IOException;
033:        import java.io.InputStreamReader;
034:        import java.util.jar.JarEntry;
035:        import java.util.jar.JarFile;
036:
037:        /**
038:         * This class reads the jar file and identifies the jbi artifacts
039:         * like jbi descriptors.
040:         *
041:         * @author Sun Microsystems, Inc.
042:         */
043:        public class JBIArchive {
044:
045:            /**
046:             * jar file
047:             */
048:            private JarFile mJarFile;
049:            /**
050:             * jbi descriptor
051:             */
052:            private JBIDescriptor mJbiDescriptor;
053:
054:            /**
055:             * Creates a new instance of JBIArchive
056:             * @param pathName path name
057:             * @throws IOException on error
058:             */
059:            public JBIArchive(String pathName) throws IOException {
060:                this (new File(pathName));
061:            }
062:
063:            /**
064:             * Creates a new instance of JBIArchive
065:             * @param file file
066:             * @throws IOException on error
067:             */
068:            public JBIArchive(File file) throws IOException {
069:                this (new JarFile(file));
070:            }
071:
072:            /**
073:             * Creates a new instance of JBIArchive
074:             * @param jarFile jar file
075:             * @throws IOException on error
076:             */
077:            public JBIArchive(JarFile jarFile) throws IOException {
078:                this .mJarFile = jarFile;
079:                validate();
080:            }
081:
082:            /**
083:             * validates the archive
084:             * @throws IOException on error
085:             */
086:            private void validate() throws IOException {
087:                // TODO schema validate the jbi.xml on tools side in JbiDescriptor
088:                // throws exception if it does not find the jbi.xml in /META-INF or not
089:                // valid according to JBIDescriptor.
090:                try {
091:                    JBIDescriptor jbiDD = getJbiDescriptor();
092:                } catch (IOException ioEx) {
093:                    // rethrow
094:                    throw ioEx;
095:                } catch (Exception ex) {
096:                    throw new IOException(ex.getMessage());
097:                }
098:            }
099:
100:            /**
101:             * returns JarFile Object for this archive
102:             * @throws IOException on error
103:             * @return jar file
104:             */
105:            public JarFile getJarFile() throws IOException {
106:                return this .mJarFile;
107:            }
108:
109:            /**
110:             * returns the jbi descriptor object
111:             * @return jbi descriptor
112:             * @throws Exception on error
113:             */
114:            public JBIDescriptor getJbiDescriptor() throws Exception {
115:                if (this .mJbiDescriptor == null) {
116:                    JarEntry jbiXmlEntry = this .mJarFile
117:                            .getJarEntry("META-INF/jbi.xml");
118:                    if (jbiXmlEntry != null) {
119:                        InputStreamReader reader = null;
120:                        try {
121:                            reader = new InputStreamReader(this .mJarFile
122:                                    .getInputStream(jbiXmlEntry));
123:                            this .mJbiDescriptor = JBIDescriptor
124:                                    .createJBIDescriptor(reader);
125:                        } finally {
126:                            if (reader != null) {
127:                                try {
128:                                    reader.close();
129:                                } catch (Exception ex) {
130:                                    // ignore
131:                                }
132:                            }
133:                            try {
134:                                this .mJarFile.close();
135:                            } catch (Exception ex) {
136:                                // ignore
137:                            }
138:                        }
139:                    } else {
140:                        throw new IOException(JBIResultXmlBuilder
141:                                .createFailedJbiResultXml(Util
142:                                        .getCommonI18NBundle(),
143:                                        "jbi.xml.not.found.in.jbi.archive",
144:                                        null));
145:                    }
146:                }
147:                return this .mJbiDescriptor;
148:            }
149:
150:            /**
151:             * checks if it is a shared library archive
152:             * @return true if it is shared library else false
153:             */
154:            public boolean isSharedLibraryArchive() {
155:                try {
156:                    JBIDescriptor jbiDesc = getJbiDescriptor();
157:                    return (jbiDesc != null && jbiDesc
158:                            .isSharedLibraryDescriptor());
159:                } catch (Exception ex) {
160:                    return false;
161:                }
162:            }
163:
164:            /**
165:             * checks if it is a service assembly archive
166:             * @return true if it is service assembly else false
167:             */
168:            public boolean isServiceAssemblyArchive() {
169:                try {
170:                    JBIDescriptor jbiDesc = getJbiDescriptor();
171:                    return (jbiDesc != null && jbiDesc
172:                            .isServiceAssemblyDescriptor());
173:                } catch (Exception ex) {
174:                    return false;
175:                }
176:            }
177:
178:            /**
179:             * checks if it is a service engine archive
180:             * @return true if it is service engine archive else fasle.
181:             */
182:            public boolean isServiceEngineArchive() {
183:                try {
184:                    JBIDescriptor jbiDesc = getJbiDescriptor();
185:                    return (jbiDesc != null && jbiDesc
186:                            .isServiceEngineDescriptor());
187:                } catch (Exception ex) {
188:                    return false;
189:                }
190:            }
191:
192:            /**
193:             * checks it is a binding component archive
194:             * @return true if it is bc archive else false
195:             */
196:            public boolean isBindingComponentArchive() {
197:                try {
198:                    JBIDescriptor jbiDesc = getJbiDescriptor();
199:                    return (jbiDesc != null && jbiDesc
200:                            .isBindingComponentDescriptor());
201:                } catch (Exception ex) {
202:                    return false;
203:                }
204:            }
205:
206:        }
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