Revision 4424
Added by daigle almost 16 years ago
| src/edu/ucsb/nceas/metacat/MetaCatServlet.java | ||
|---|---|---|
| 82 | 82 |
import edu.ucsb.nceas.metacat.service.ServiceException; |
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import edu.ucsb.nceas.metacat.service.SessionService; |
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import edu.ucsb.nceas.metacat.service.SkinPropertyService; |
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import edu.ucsb.nceas.metacat.service.XMLSchemaService; |
|
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import edu.ucsb.nceas.metacat.spatial.SpatialHarvester; |
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import edu.ucsb.nceas.metacat.spatial.SpatialQuery; |
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import edu.ucsb.nceas.metacat.util.LDAPUtil; |
| ... | ... | |
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private static final String ERRORCLOSE = "</error>"; |
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public static final String SCHEMALOCATIONKEYWORD = ":schemaLocation"; |
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public static final String NONAMESPACELOCATION = ":noNamespaceSchemaLocation"; |
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public static final String NAMESPACEKEYWORD = "xmlns"; |
|
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public static final String EML2KEYWORD = ":eml"; |
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public static final String XMLFORMAT = "xml"; |
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private static final String CONFIG_DIR = "WEB-INF"; |
| ... | ... | |
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// initialize DBConnection pool |
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DBConnectionPool connPool = DBConnectionPool.getInstance(); |
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logMetacat.debug("DBConnection pool initialized: " + connPool.toString());
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|
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XMLSchemaService xmlService = XMLSchemaService.getInstance(); |
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logMetacat.debug("XMLService initialized: " + xmlService.toString());
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|
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|
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// check if eml201 document were corrected or not. if not, correct |
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// eml201 documents. |
| ... | ... | |
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documentWrapper = new DocumentImplWrapper(rule, validate); |
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} else {
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String namespace = findNamespace(xml);
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String namespace = XMLSchemaService.findDocumentNamespace(xml);
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|
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if (namespace != null) {
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if (namespace.compareTo(DocumentImpl.EML2_0_0NAMESPACE) == 0 |
| ... | ... | |
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|
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// END OF INSERT/UPDATE SECTION |
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/* check if the xml string contains key words to specify schema loocation */ |
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private String findNamespace(StringReader xml) throws IOException {
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Logger logMetacat = Logger.getLogger(MetaCatServlet.class); |
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String namespace = null; |
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|
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String eml2_0_0NameSpace = DocumentImpl.EML2_0_0NAMESPACE; |
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String eml2_0_1NameSpace = DocumentImpl.EML2_0_1NAMESPACE; |
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String eml2_1_0NameSpace = DocumentImpl.EML2_1_0NAMESPACE; |
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|
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if (xml == null) {
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logMetacat.debug("Validation for schema is "
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+ namespace); |
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return namespace; |
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} |
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String targetLine = getSchemaLine(xml); |
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|
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if (targetLine != null) {
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// find if the root element has prefix |
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String prefix = getPrefix(targetLine); |
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logMetacat.info("prefix is:" + prefix);
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int startIndex = 0; |
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if(prefix != null) {
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// if prefix found then look for xmlns:prefix |
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// element to find the ns |
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String namespaceWithPrefix = NAMESPACEKEYWORD |
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+ ":" + prefix; |
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startIndex = targetLine.indexOf(namespaceWithPrefix); |
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logMetacat.debug("namespaceWithPrefix is:" + namespaceWithPrefix+":");
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logMetacat.debug("startIndex is:" + startIndex);
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} else {
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// if prefix not found then look for xmlns |
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// attribute to find the ns |
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startIndex = targetLine.indexOf(NAMESPACEKEYWORD); |
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logMetacat.debug("startIndex is:" + startIndex);
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} |
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int start = 1; |
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int end = 1; |
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String namespaceString = null; |
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int count = 0; |
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if (startIndex != -1) {
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for (int i = startIndex; i < targetLine.length(); i++) {
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if (targetLine.charAt(i) == '"') {
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count++; |
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} |
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if (targetLine.charAt(i) == '"' && count == 1) {
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start = i; |
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} |
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if (targetLine.charAt(i) == '"' && count == 2) {
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end = i; |
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break; |
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} |
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} |
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} |
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// else: xmlns not found. namespace = null will be returned |
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logMetacat.debug("targetLine is " + targetLine);
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logMetacat.debug("start is " + end);
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logMetacat.debug("end is " + end);
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if(start < end){
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namespaceString = targetLine.substring(start + 1, end); |
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logMetacat.debug("namespaceString is " + namespaceString);
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} |
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logMetacat.debug("namespace in xml is: "
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+ namespaceString); |
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if(namespaceString != null){
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if (namespaceString.indexOf(eml2_0_0NameSpace) != -1) {
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namespace = eml2_0_0NameSpace; |
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} else if (namespaceString.indexOf(eml2_0_1NameSpace) != -1) {
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namespace = eml2_0_1NameSpace; |
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} else if (namespaceString.indexOf(eml2_1_0NameSpace) != -1) {
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namespace = eml2_1_0NameSpace; |
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} else {
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namespace = namespaceString; |
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} |
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} |
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} |
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logMetacat.debug("Validation for eml is " + namespace);
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return namespace; |
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} |
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private String getSchemaLine(StringReader xml) throws IOException {
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Logger logMetacat = Logger.getLogger(MetaCatServlet.class); |
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// find the line |
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String secondLine = null; |
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int count = 0; |
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int endIndex = 0; |
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int startIndex = 0; |
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final int TARGETNUM = 1; |
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StringBuffer buffer = new StringBuffer(); |
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boolean comment = false; |
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boolean processingInstruction = false; |
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char thirdPreviousCharacter = '?'; |
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char secondPreviousCharacter = '?'; |
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char previousCharacter = '?'; |
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char currentCharacter = '?'; |
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int tmp = xml.read(); |
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while (tmp != -1) {
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currentCharacter = (char)tmp; |
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//in a comment |
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if (currentCharacter == '-' && previousCharacter == '-' |
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&& secondPreviousCharacter == '!' |
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&& thirdPreviousCharacter == '<') {
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comment = true; |
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} |
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//out of comment |
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if (comment && currentCharacter == '>' && previousCharacter == '-' |
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&& secondPreviousCharacter == '-') {
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comment = false; |
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} |
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|
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//in a processingInstruction |
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if (currentCharacter == '?' && previousCharacter == '<') {
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processingInstruction = true; |
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} |
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|
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//out of processingInstruction |
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if (processingInstruction && currentCharacter == '>' |
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&& previousCharacter == '?') {
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processingInstruction = false; |
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} |
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|
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//this is not comment or a processingInstruction |
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if (currentCharacter != '!' && previousCharacter == '<' |
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&& !comment && !processingInstruction) {
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count++; |
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} |
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|
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// get target line |
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if (count == TARGETNUM && currentCharacter != '>') {
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buffer.append(currentCharacter); |
|
| 2465 |
} |
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| 2466 |
if (count == TARGETNUM && currentCharacter == '>') {
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break; |
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} |
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| 2469 |
thirdPreviousCharacter = secondPreviousCharacter; |
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| 2470 |
secondPreviousCharacter = previousCharacter; |
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previousCharacter = currentCharacter; |
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| 2472 |
tmp = xml.read(); |
|
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} |
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secondLine = buffer.toString(); |
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logMetacat.debug("the second line string is: " + secondLine);
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|
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xml.reset(); |
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| 2478 |
return secondLine; |
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| 2479 |
} |
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|
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private String getPrefix(String schemaLine) {
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Logger logMetacat = Logger.getLogger(MetaCatServlet.class); |
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| 2483 |
String prefix = null; |
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| 2484 |
|
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| 2485 |
if(schemaLine.indexOf(" ") > 0){
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String rootElement = ""; |
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try {
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| 2488 |
rootElement = schemaLine.substring(0, schemaLine.indexOf(" "));
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} catch (StringIndexOutOfBoundsException sioobe) {
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| 2490 |
rootElement = schemaLine; |
|
| 2491 |
} |
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| 2492 |
|
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| 2493 |
logMetacat.debug("rootElement:" + rootElement);
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| 2494 |
|
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| 2495 |
if(rootElement.indexOf(":") > 0){
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prefix = rootElement.substring(rootElement.indexOf(":") + 1,
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| 2497 |
rootElement.length()); |
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} |
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| 2499 |
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| 2500 |
if(prefix != null){
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| 2501 |
return prefix.trim(); |
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} |
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| 2503 |
} |
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| 2504 |
return null; |
|
| 2505 |
} |
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|
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/** |
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* Handle the database delete request and delete an XML document from the |
| 2509 | 2331 |
* database connection |
Also available in: Unified diff
Move xml schema specific functionality to XMLSchemaService