Source Code Cross Referenced for BaseDownloadDescriptor.java in  » 6.0-JDK-Modules » j2me » com » sun » jumpimpl » module » download » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.jumpimpl.module.download 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.
003:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
004:         * 
005:         * This program is free software; you can redistribute it and/or
006:         * modify it under the terms of the GNU General Public License version
007:         * 2 only, as published by the Free Software Foundation. 
008:         * 
009:         * This program is distributed in the hope that it will be useful, but
010:         * WITHOUT ANY WARRANTY; without even the implied warranty of
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012:         * General Public License version 2 for more details (a copy is
013:         * included at /legal/license.txt). 
014:         * 
015:         * You should have received a copy of the GNU General Public License
016:         * version 2 along with this work; if not, write to the Free Software
017:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
018:         * 02110-1301 USA 
019:         * 
020:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
021:         * Clara, CA 95054 or visit www.sun.com if you need additional
022:         * information or have any questions. 
023:         */
024:
025:        package com.sun.jumpimpl.module.download;
026:
027:        import com.sun.jump.module.download.JUMPDownloadDescriptor;
028:
029:        import java.net.MalformedURLException;
030:        import java.net.URL;
031:        import java.util.Properties;
032:        import java.util.Vector;
033:
034:        /**
035:         * <code>JUMPDownloadDescriptor</code> contains the metadata associated with
036:         * any content that can be downloaded.
037:         */
038:
039:        public class BaseDownloadDescriptor extends JUMPDownloadDescriptor {
040:
041:            /** Creates a new instance of BaseDownloadDescriptor */
042:            public BaseDownloadDescriptor(String schema, String source) {
043:                super (schema, source);
044:            }
045:
046:            public void setName(String name) {
047:                this .name = name;
048:            }
049:
050:            public void setDisplayName(String displayName) {
051:                this .displayName = displayName;
052:            }
053:
054:            public void setVersion(String version) {
055:                this .version = version;
056:            }
057:
058:            public void setSize(int size) {
059:                this .size = size;
060:            }
061:
062:            public void setMimeType(String mimeType) {
063:                this .mimeType = mimeType;
064:            }
065:
066:            public void setType(String type) {
067:                this .type = type;
068:            }
069:
070:            public void setObjectURI(String objectURI) {
071:                this .objectURI = getFullURI(objectURI);
072:            }
073:
074:            public void setInstallNotifyURI(String installNotifyURI) {
075:                this .installNotifyURI = installNotifyURI;
076:            }
077:
078:            public void setDescription(String description) {
079:                this .description = description;
080:            }
081:
082:            public void setVendor(String vendor) {
083:                this .vendor = vendor;
084:            }
085:
086:            public void setIconURI(String iconURI) {
087:                this .iconURI = getFullURI(iconURI);
088:            }
089:
090:            public void setSecurityLevel(String securityLevel) {
091:                this .securityLevel = securityLevel;
092:            }
093:
094:            public void setClasspath(String classpath) {
095:                this .classpath = classpath;
096:            }
097:
098:            public void setApplications(Properties applications[]) {
099:                this .applications = applications;
100:            }
101:
102:            public void setData(String data) {
103:                this .data = data;
104:            }
105:
106:            public void setSchema(String schema) {
107:                this .schema = schema;
108:            }
109:
110:            public void setSource(String source) {
111:                this .source = source;
112:            }
113:
114:            /**
115:             * Check a provided URL or URI for valid syntax.
116:             * @param uri The URI or URI to check.
117:             * @throws SyntaxException If there is a problem with the URI.
118:             */
119:            protected static void checkURL(String uri) throws SyntaxException {
120:                try {
121:                    URL u = new URL(uri);
122:                } catch (MalformedURLException mfue) {
123:                    throw new SyntaxException("InvalidURI");
124:                }
125:            }
126:
127:            private void checkType(String downloadType) throws SyntaxException {
128:                if (downloadType != TYPE_APPLICATION
129:                        && downloadType != TYPE_DATA
130:                        && downloadType != TYPE_LIBRARY) {
131:                    throw new SyntaxException("InvalidDownloadType");
132:                }
133:                return;
134:            }
135:
136:            public void checkOut() throws SyntaxException {
137:                // check vital tags are present
138:                checkNN(name);
139:                checkFalse(size < 0);
140:                checkNN(vendor);
141:                checkNN(version);
142:
143:                // check any application/daemon/library/data tags are present.
144:                checkFalse((applications == null) && (data == null)
145:                        && !isLibrary());
146:
147:                // check there is an object uri, and positive size if
148:                // it's either daemon or application.
149:                if (applications != null) {
150:                    checkFalse((objectURI == null) || (size <= 0));
151:                }
152:
153:                // Check each application for internal consistency.
154:                //if (applications != null) {
155:                //    Iterator i = applications.iterator();
156:                //    while ( i.hasNext() ) {
157:                //    ( (JUMPApplication)i.next() ).check();
158:                //}
159:                //}
160:            }
161:
162:            private static void checkNull(Object o) throws SyntaxException {
163:                if (o != null) {
164:                    throw new SyntaxException();
165:                }
166:            }
167:
168:            private static void checkNN(Object o) throws SyntaxException {
169:                if (o == null) {
170:                    throw new SyntaxException();
171:                }
172:            }
173:
174:            private static void checkFalse(boolean val) throws SyntaxException {
175:                if (val) {
176:                    throw new SyntaxException();
177:                }
178:            }
179:
180:            private String getFullURI(String targetURI) {
181:                String result = targetURI;
182:                // check if the targetURI is relative or absolute.
183:                // According to RFC 2396 we may just check if it starts with protocol
184:                int protocolLength = getSource().indexOf(':');
185:                if (protocolLength >= 0) {
186:                    String protocol = getSource().substring(0,
187:                            protocolLength + 1);
188:                    if (!targetURI.startsWith(protocol)) {
189:                        int lastSlash = getSource().lastIndexOf('/');
190:                        if (lastSlash == -1)
191:                            result = getSource() + "/" + targetURI;
192:                        else
193:                            result = getSource().substring(0, lastSlash + 1)
194:                                    + targetURI;
195:                    }
196:                }
197:                return result;
198:            }
199:
200:        }
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