001: /*
002: License $Id: RawDataElement.java,v 1.6 2004/09/27 01:34:11 hendriks73 Exp $
003:
004: Copyright (c) 2001-2005 tagtraum industries.
005:
006: LGPL
007: ====
008:
009: jo! is free software; you can redistribute it and/or
010: modify it under the terms of the GNU Lesser General Public
011: License as published by the Free Software Foundation; either
012: version 2.1 of the License, or (at your option) any later version.
013:
014: jo! is distributed in the hope that it will be useful,
015: but WITHOUT ANY WARRANTY; without even the implied warranty of
016: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017: Lesser General Public License for more details.
018:
019: You should have received a copy of the GNU Lesser General Public
020: License along with this library; if not, write to the Free Software
021: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
022:
023: For LGPL see <http://www.fsf.org/copyleft/lesser.txt>
024:
025:
026: Sun license
027: ===========
028:
029: This release contains software by Sun Microsystems. Therefore
030: the following conditions have to be met, too. They apply to the
031: files
032:
033: - lib/mail.jar
034: - lib/activation.jar
035: - lib/jsse.jar
036: - lib/jcert.jar
037: - lib/jaxp.jar
038: - lib/crimson.jar
039: - lib/servlet.jar
040: - lib/jnet.jar
041: - lib/jaas.jar
042: - lib/jaasmod.jar
043:
044: contained in this release.
045:
046: a. Licensee may not modify the Java Platform
047: Interface (JPI, identified as classes contained within the javax
048: package or any subpackages of the javax package), by creating additional
049: classes within the JPI or otherwise causing the addition to or modification
050: of the classes in the JPI. In the event that Licensee creates any
051: Java-related API and distribute such API to others for applet or
052: application development, you must promptly publish broadly, an accurate
053: specification for such API for free use by all developers of Java-based
054: software.
055:
056: b. Software is confidential copyrighted information of Sun and
057: title to all copies is retained by Sun and/or its licensors. Licensee
058: shall not modify, decompile, disassemble, decrypt, extract, or otherwise
059: reverse engineer Software. Software may not be leased, assigned, or
060: sublicensed, in whole or in part. Software is not designed or intended
061: for use in on-line control of aircraft, air traffic, aircraft navigation
062: or aircraft communications; or in the design, construction, operation or
063: maintenance of any nuclear facility. Licensee warrants that it will not
064: use or redistribute the Software for such purposes.
065:
066: c. Software is provided "AS IS," without a warranty
067: of any kind. ALL EXPRESS OR IMPLIED REPRESENTATIONS AND WARRANTIES,
068: INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
069: PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
070:
071: d. This License is effective until terminated. Licensee may
072: terminate this License at any time by destroying all copies of Software.
073: This License will terminate immediately without notice from Sun if Licensee
074: fails to comply with any provision of this License. Upon such termination,
075: Licensee must destroy all copies of Software.
076:
077: e. Software, including technical data, is subject to U.S.
078: export control laws, including the U.S. Export Administration Act and its
079: associated regulations, and may be subject to export or import regulations
080: in other countries. Licensee agrees to comply strictly with all such
081: regulations and acknowledges that it has the responsibility to obtain
082: licenses to export, re-export, or import Software. Software may not be
083: downloaded, or otherwise exported or re-exported (i) into, or to a national
084: or resident of, Cuba, Iraq, Iran, North Korea, Libya, Sudan, Syria or any
085: country to which the U.S. has embargoed goods; or (ii) to anyone on the
086: U.S. Treasury Department's list of Specially Designated Nations or the U.S.
087: Commerce Department's Table of Denial Orders.
088:
089:
090: Feedback
091: ========
092:
093: We encourage your feedback and suggestions and want to use your feedback to
094: improve the Software. Send all such feedback to:
095: <feedback@tagtraum.com>
096:
097: For more information on tagtraum industries and jo!
098: please see <http://www.tagtraum.com/>.
099:
100:
101: */
102: package com.tagtraum.framework.markup;
103:
104: import com.tagtraum.framework.util.UnSyncStringBuffer;
105: import com.tagtraum.framework.util.FileLocation;
106:
107: import java.io.IOException;
108: import java.io.PushbackReader;
109: import java.util.Enumeration;
110: import java.util.Vector;
111:
112: /**
113: * Represents a simple meaningless piece of text.
114: *
115: * @author <a href="mailto:hs@tagtraum.com">Hendrik Schreiber</a>
116: * @version 1.1beta1 $Id: RawDataElement.java,v 1.6 2004/09/27 01:34:11 hendriks73 Exp $
117: */
118: public class RawDataElement implements I_Element {
119:
120: /**
121: * Source-Version
122: */
123: public static String vcid = "$Id: RawDataElement.java,v 1.6 2004/09/27 01:34:11 hendriks73 Exp $";
124:
125: protected String myData;
126: protected UnSyncStringBuffer sb;
127: // tree related
128: protected I_Element myParent;
129: protected Vector myChildren;
130: protected String myTagStart;
131: private int line;
132: private FileLocation location;
133:
134: /**
135: * Constructor.
136: */
137: public RawDataElement(String aTagStart) {
138: sb = new UnSyncStringBuffer();
139: myChildren = new Vector();
140: myTagStart = aTagStart;
141: }
142:
143: public FileLocation getFileLocation() {
144: return location;
145: }
146:
147: public void setFileLocation(FileLocation location) {
148: this .location = location;
149: }
150:
151: public int getLine() {
152: return line;
153: }
154:
155: public void setLine(int line) {
156: this .line = line;
157: }
158:
159: /**
160: * Reads all data until a '<' is found. This method is usually
161: * called by the {@link Parser}. For each character {@link #append(char)}
162: * is called. When '<' is found {@link #finish} is called.
163: *
164: * @param aReader the reader to read with
165: */
166: public void parse(PushbackReader aReader) throws IOException {
167: int c = 0;
168:
169: while (sb.length() < 30000) {
170: c = aReader.read();
171:
172: if (c != -1 && c != '<') {
173: append((char) c);
174: } else {
175: break;
176: }
177: }
178:
179: finish();
180:
181: if (c == -1) {
182: return;
183: }
184:
185: aReader.unread(c);
186: }
187:
188: /**
189: * Returns the read data as String.
190: */
191: public String getData() {
192: return myData;
193: }
194:
195: /**
196: * Returns <code>RawDataElement</code>.
197: */
198: public String getName() {
199: return "RawDataElement";
200: }
201:
202: /**
203: * Returns the type of this tag.
204: */
205: public int getType() {
206: return 0;
207: }
208:
209: /**
210: * Returns the length of the data.
211: */
212: public int getLength() {
213: return toString().length();
214: }
215:
216: /**
217: * Internal method that appends a character.
218: */
219: protected void append(char c) {
220: sb.append(c);
221: }
222:
223: /**
224: * Is called when all data is read.
225: */
226: protected void finish() {
227: myData = sb.toString();
228: }
229:
230: /**
231: * String representation.
232: */
233: public String toString() {
234: return myData;
235: }
236:
237: /**
238: * Returns the start characters of a tag.
239: */
240: public String getTagStart() {
241: return myTagStart;
242: }
243:
244: /**
245: * Returns the end characters of a tag.
246: */
247: public String getTagEnd() {
248: return "<";
249: }
250:
251: /* -- tree related methods -- */
252:
253: /**
254: * Method.
255: *
256: *
257: * @return
258: *
259: * @see
260: */
261: public I_Element getParent() {
262: return myParent;
263: }
264:
265: /**
266: * Method.
267: *
268: *
269: * @param aParent
270: *
271: * @see
272: */
273: public void setParent(I_Element aParent) {
274: myParent = aParent;
275: }
276:
277: /**
278: * Method.
279: *
280: *
281: * @return
282: *
283: * @see
284: */
285: public boolean isRoot() {
286: return myParent == null;
287: }
288:
289: /**
290: * Method.
291: *
292: *
293: * @return
294: *
295: * @see
296: */
297: public boolean isLeaf() {
298: return myChildren.size() == 0;
299: }
300:
301: /**
302: * Method.
303: *
304: *
305: * @param aChild
306: *
307: * @see
308: */
309: public void addChild(I_Element aChild) {
310: myChildren.add(aChild);
311: aChild.setParent(this );
312: }
313:
314: /**
315: * Method.
316: *
317: *
318: * @param idx
319: *
320: * @return
321: *
322: * @see
323: */
324: public I_Element getChild(int idx) {
325: return (I_Element) myChildren.get(idx);
326: }
327:
328: /**
329: * Method.
330: *
331: *
332: * @param idx
333: *
334: * @return
335: *
336: * @see
337: */
338: public I_Element removeChild(int idx) {
339: return (I_Element) myChildren.remove(idx);
340: }
341:
342: /**
343: * Method.
344: *
345: *
346: * @return
347: *
348: * @see
349: */
350: public Enumeration getChildren() {
351: return myChildren.elements();
352: }
353:
354: /**
355: * Method.
356: *
357: *
358: * @return
359: *
360: * @see
361: */
362: public int getChildrenCount() {
363: return myChildren.size();
364: }
365:
366: /**
367: * Method.
368: *
369: *
370: * @return
371: *
372: * @see
373: */
374: public I_Element getFirstChild() {
375: return (I_Element) myChildren.get(1);
376: }
377:
378: }
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