Source Code Cross Referenced for InventoryXMLParser.java in  » Science » Cougaar12_4 » org » cougaar » logistics » ui » inventory » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Science » Cougaar12_4 » org.cougaar.logistics.ui.inventory 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * <copyright>
003:         *  
004:         *  Copyright 1997-2004 BBNT Solutions, LLC
005:         *  under sponsorship of the Defense Advanced Research Projects
006:         *  Agency (DARPA).
007:         * 
008:         *  You can redistribute this software and/or modify it under the
009:         *  terms of the Cougaar Open Source License as published on the
010:         *  Cougaar Open Source Website (www.cougaar.org).
011:         * 
012:         *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
013:         *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
014:         *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
015:         *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
016:         *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
017:         *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
018:         *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
019:         *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
020:         *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
021:         *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
022:         *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
023:         *  
024:         * </copyright>
025:         */
026:
027:        package org.cougaar.logistics.ui.inventory;
028:
029:        import java.util.Stack;
030:        import java.util.ArrayList;
031:
032:        import org.cougaar.util.log.Logging;
033:        import org.cougaar.util.log.Logger;
034:
035:        import org.cougaar.logistics.plugin.inventory.LogisticsInventoryFormatter;
036:        import org.cougaar.logistics.ui.inventory.data.*;
037:
038:        /**
039:         * <pre>
040:         *
041:         * The InventoryXMLParser is the class that parses the input xml
042:         * string into data objects.
043:         *
044:         *
045:         *
046:         **/
047:
048:        public class InventoryXMLParser {
049:            protected int ctr;
050:            protected String xmlInput;
051:            protected String[] lines;
052:            protected InventoryData inventory;
053:            protected String currentString;
054:            protected Stack tagStack;
055:            protected Logger logger;
056:
057:            public InventoryXMLParser() {
058:                tagStack = new Stack();
059:                logger = Logging.getLogger(this );
060:            }
061:
062:            public InventoryData parseString(String xmlInput) {
063:                return parseString(xmlInput, false);
064:            }
065:
066:            public InventoryData parseHeader(String xmlInput) {
067:                return parseString(xmlInput, true);
068:            }
069:
070:            protected InventoryData parseString(String xmlInput,
071:                    boolean justHeader) {
072:                ctr = 0;
073:                inventory = null;
074:                this .xmlInput = xmlInput;
075:                if ((xmlInput != null) && !(xmlInput.equals("null\n"))) {
076:                    lines = xmlInput.split("\\n");
077:                    if (logger.isDebugEnabled()) {
078:                        logger.debug("Number of Lines=" + lines.length);
079:                    }
080:                    parse(justHeader);
081:                }
082:                return inventory;
083:            }
084:
085:            protected void parse(boolean justHeader) {
086:                while (ctr < lines.length) {
087:                    currentString = lines[ctr];
088:                    if (currentString.startsWith("</")) {
089:                        popTag();
090:                    } else if (currentString.startsWith("<")) {
091:                        tagStack.push(currentString);
092:                        String name = getTagName(currentString);
093:                        if (name
094:                                .equals(LogisticsInventoryFormatter.INVENTORY_DUMP_TAG)) {
095:                            ctr++;
096:                        } else if (name
097:                                .equals(LogisticsInventoryFormatter.INVENTORY_HEADER_PERSON_READABLE_TAG)) {
098:                            parseHumanReadable();
099:                        } else if (name
100:                                .equals(LogisticsInventoryFormatter.INVENTORY_HEADER_GUI_TAG)) {
101:                            parseHeader();
102:                            if (justHeader) {
103:                                return;
104:                            }
105:                        } else {
106:                            if (!justHeader) {
107:                                parseSchedule();
108:                            } else {
109:                                ctr++;
110:                            }
111:                        }
112:                    } else {
113:                        logger.warn("Unparseable line: " + currentString);
114:                        ctr++;
115:                    }
116:                }
117:            }
118:
119:            protected String stripTag(String tag) {
120:                int start = 0;
121:                int end = tag.length();
122:                if (tag.startsWith("</")) {
123:                    start = 2;
124:                } else if (tag.startsWith("<")) {
125:                    start = 1;
126:                }
127:                if (tag.endsWith(">")) {
128:                    end--;
129:                }
130:                return tag.substring(start, end);
131:            }
132:
133:            protected String getTagName(String tag) {
134:                tag = stripTag(tag);
135:                String words[] = tag.split("\\s");
136:                return words[0];
137:            }
138:
139:            protected void parseHeader() {
140:                String header = stripTag(currentString);
141:                String[] words = header.split("\\s");
142:                String org = null;
143:                String asset = null;
144:                String unit = null;
145:                String nomenclature = null;
146:                String supplyType = null;
147:                long cDay = 0L;
148:                int i = 1;
149:
150:                if (words[i].startsWith("org=")) {
151:                    org = words[i].substring("org=".length());
152:                }
153:                i++;
154:                if (words[i].startsWith("item=")) {
155:                    asset = words[i].substring("item=".length());
156:                }
157:                i++;
158:                if (words[i].startsWith("unit=")) {
159:                    unit = words[i].substring("unit=".length());
160:                }
161:                i++;
162:                while (!(words[i].startsWith("nomenclature="))) {
163:                    unit = unit + " " + words[i];
164:                    i++;
165:                }
166:                if (words[i].startsWith("nomenclature=")) {
167:                    nomenclature = words[i].substring("nomenclature=".length());
168:                }
169:                i++;
170:                while (!(words[i].startsWith("supplyType="))) {
171:                    nomenclature = nomenclature + " " + words[i];
172:                    i++;
173:                }
174:                if (words[i].startsWith("supplyType=")) {
175:                    supplyType = words[i].substring("supplyType=".length());
176:                }
177:                i++;
178:                while (!(words[i].startsWith("cDay="))) {
179:                    supplyType = supplyType + " " + words[i];
180:                    i++;
181:                }
182:                if (words[i].startsWith("cDay=")) {
183:                    String cDayString = words[i].substring("cDay=".length());
184:                    cDay = (new Long(cDayString)).longValue();
185:                }
186:
187:                inventory = new InventoryData(asset, org, unit, nomenclature,
188:                        supplyType, cDay, xmlInput);
189:                if (logger.isDebugEnabled()) {
190:                    logger.debug("Parsed header w/org=|" + org + "| item=|"
191:                            + asset + "| unit=|" + unit + "| nomenclature=|"
192:                            + nomenclature + "| supplyType=|" + supplyType
193:                            + "| cDay=|" + cDay + "|");
194:                }
195:                ctr++;
196:            }
197:
198:            protected String getScheduleType(String tag) {
199:                tag = stripTag(tag);
200:                String words[] = tag.split("type=");
201:                return words[1].trim();
202:            }
203:
204:            protected void parseSchedule() {
205:                String name = getTagName(currentString);
206:                logger.debug("Parsing Schedule " + name);
207:                String typeStr = getScheduleType(currentString);
208:                logger.debug(" of type " + typeStr);
209:                int type = InventoryScheduleHeader.getTypeInt(typeStr);
210:                int ctrIn = ctr;
211:                currentString = lines[++ctr];
212:                ArrayList elements = new ArrayList();
213:                while (!(currentString.startsWith("<"))) {
214:                    elements.add(parseString(currentString, type));
215:                    currentString = lines[++ctr];
216:                }
217:
218:                InventoryScheduleHeader header = new InventoryScheduleHeader(
219:                        name, type, elements);
220:                inventory.addSchedule(header);
221:
222:                if (logger.isDebugEnabled()) {
223:                    logger.debug("Parsed Schedule " + name + " there were "
224:                            + (ctr - ctrIn) + " lines of type " + typeStr);
225:                }
226:
227:            }
228:
229:            protected void parseHumanReadable() {
230:                //toss out this stuff
231:                String name = getTagName(currentString);
232:                logger.debug("Parsing: " + name);
233:                String humanReadableEndTag = "</"
234:                        + LogisticsInventoryFormatter.INVENTORY_HEADER_PERSON_READABLE_TAG
235:                        + ">";
236:                while (!(currentString.equals(humanReadableEndTag))) {
237:                    currentString = lines[++ctr];
238:                }
239:            }
240:
241:            protected InventoryScheduleElement parseString(
242:                    String elementString, int type) {
243:                switch (type) {
244:                case InventoryScheduleHeader.TASKS_TYPE:
245:                    return InventoryTask.createFromCSV(elementString);
246:                case InventoryScheduleHeader.PROJ_TASKS_TYPE:
247:                    return InventoryProjTask.createFromCSV(elementString);
248:                case InventoryScheduleHeader.ARS_TYPE:
249:                    return InventoryAR.createFromCSV(elementString);
250:                case InventoryScheduleHeader.PROJ_ARS_TYPE:
251:                    return InventoryProjAR.createProjFromCSV(elementString);
252:                case InventoryScheduleHeader.LEVELS_TYPE:
253:                    return InventoryLevel.createFromCSV(elementString);
254:                default:
255:                    throw new RuntimeException("Unparseable CSV "
256:                            + elementString + " Element Type " + type);
257:                }
258:            }
259:
260:            protected void popTag() {
261:                String lastTag = (String) tagStack.peek();
262:                if (getTagName(lastTag).equals(getTagName(currentString))) {
263:                    tagStack.pop();
264:                    if (logger.isDebugEnabled()) {
265:                        logger.debug("Popping " + getTagName(currentString));
266:                    }
267:                } else {
268:                    throw new RuntimeException(
269:                            "ERROR:Last pushed tag doesn't match this termination tag");
270:                }
271:                ctr++;
272:            }
273:
274:        }
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