Revision 3766
Added by Jing Tao over 16 years ago
| src/edu/ucsb/nceas/metacat/QuerySpecification.java | ||
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| 84 | 84 |
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/** The root query group that contains the recursive query constraints */ |
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private QueryGroup query = null; |
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/** A string buffer to stored normalized query (Sometimes, the query have |
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* a value like "&", it will cause problem in html transform). So we need a |
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* normalized query xml string. |
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*/ |
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private StringBuffer xml = new StringBuffer(); |
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// Query data structures used temporarily during XML parsing |
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private Stack elementStack; |
| ... | ... | |
| 551 | 557 |
public void startElement(String uri, String localName, String qName, |
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Attributes atts) throws SAXException |
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{
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logMetacat.debug("start at startElement "+localName);
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BasicNode currentNode = new BasicNode(localName); |
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//write element name into xml buffer. |
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xml.append("<");
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xml.append(localName); |
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// add attributes to BasicNode here |
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if (atts != null) {
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int len = atts.getLength(); |
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for (int i = 0; i < len; i++) {
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currentNode |
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.setAttribute(atts.getLocalName(i), atts.getValue(i)); |
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xml.append(" ");
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xml.append(atts.getLocalName(i)); |
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xml.append("=\"");
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xml.append(atts.getValue(i)); |
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xml.append("\"");
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} |
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} |
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xml.append(">");
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elementStack.push(currentNode); |
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if (currentNode.getTagName().equals("querygroup")) {
|
| ... | ... | |
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} |
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queryStack.push(currentGroup); |
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} |
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logMetacat.debug("end in startElement "+localName);
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} |
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|
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/** |
| ... | ... | |
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public void endElement(String uri, String localName, String qName) |
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throws SAXException |
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{
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logMetacat.debug("start in endElement "+localName);
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BasicNode leaving = (BasicNode) elementStack.pop(); |
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if (leaving.getTagName().equals("queryterm")) {
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boolean isCaseSensitive = (new Boolean(leaving |
| ... | ... | |
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queryTitle = textBuffer.toString().trim(); |
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} else if (leaving.getTagName().equals("value")) {
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currentValue = textBuffer.toString().trim(); |
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currentValue = MetaCatUtil.normalize(currentValue); |
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} else if (leaving.getTagName().equals("pathexpr")) {
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currentPathexpr = textBuffer.toString().trim(); |
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} else if (leaving.getTagName().equals("returndoctype")) {
|
| ... | ... | |
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} else if (leaving.getTagName().equals("owner")) {
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ownerList.add(textBuffer.toString().trim()); |
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} |
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String normalizedXML = textBuffer.toString().trim(); |
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logMetacat.debug("================before normailze "+normalizedXML);
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normalizedXML = MetaCatUtil.normalize(normalizedXML); |
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logMetacat.debug("================after normailze "+normalizedXML);
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xml.append(normalizedXML); |
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xml.append("</");
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xml.append(localName); |
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xml.append(">");
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//rest textBuffer |
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textBuffer = new StringBuffer(); |
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|
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} |
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/** |
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* Gets normailized query string in xml format, which can be transformed |
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* to html |
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*/ |
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public String getNormalizedXMLQuery() |
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{
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//System.out.println("normailized xml \n"+xml.toString());
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return xml.toString(); |
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} |
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/** |
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* callback method used by the SAX Parser when the text sequences of an xml |
| ... | ... | |
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{
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// buffer all text nodes for same element. This is for text was splited |
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// into different nodes |
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textBuffer.append(new String(ch, start, length)); |
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String text = new String(ch, start, length); |
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logMetacat.debug("the text in characters "+text);
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textBuffer.append(text); |
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} |
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Also available in: Unified diff
Add a new string buffer to store normalized query xml itself.