dive4elements/gnv-client: gnv/src/main/java/de/intevation/gnv/util/XMLUtils.java annotate

annotate gnv/src/main/java/de/intevation/gnv/util/XMLUtils.java @ 2:5e94403971af

infrastructur for Communicationg with the ArtifactDatabase added. gnv/trunk@71 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Tim Englich <tim.englich@intevation.de>
date	Fri, 11 Sep 2009 15:17:38 +0000
parents
children	3cb753564552

rev	line source
2 5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	1 package de.intevation.gnv.util;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	2
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	3 import java.io.IOException;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	4 import java.io.InputStream;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	5 import java.io.StringWriter;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	6
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	7 import org.w3c.dom.Document;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	8 import org.w3c.dom.Element;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	9 import org.w3c.dom.Attr;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	10 import org.w3c.dom.Node;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	11 import org.w3c.dom.NodeList;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	12 import org.xml.sax.SAXException;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	13
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	14 import javax.xml.parsers.DocumentBuilder;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	15 import javax.xml.parsers.DocumentBuilderFactory;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	16
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	17 import javax.xml.parsers.ParserConfigurationException;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	18 import javax.xml.transform.Transformer;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	19 import javax.xml.transform.TransformerConfigurationException;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	20 import javax.xml.transform.TransformerException;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	21 import javax.xml.transform.TransformerFactory;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	22 import javax.xml.transform.TransformerFactoryConfigurationError;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	23 import javax.xml.transform.dom.DOMSource;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	24 import javax.xml.transform.stream.StreamResult;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	25
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	26 import org.apache.log4j.Logger;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	27
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	28 import javax.xml.xpath.XPathFactory;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	29 import javax.xml.xpath.XPath;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	30 import javax.xml.xpath.XPathExpressionException;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	31 import javax.xml.xpath.XPathConstants;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	32
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	33 import javax.xml.namespace.NamespaceContext;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	34 import javax.xml.namespace.QName;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	35
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	36 /**
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	37 * @author Sascha L. Teichmann
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	38 */
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	39 public class XMLUtils
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	40 {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	41 private static Logger logger = Logger.getLogger(XMLUtils.class);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	42
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	43 public XMLUtils() {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	44 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	45
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	46 public static class ElementCreator
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	47 {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	48 protected Document document;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	49 protected String ns;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	50 protected String prefix;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	51
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	52 public ElementCreator(Document document, String ns, String prefix) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	53 this.document = document;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	54 this.ns = ns;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	55 this.prefix = prefix;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	56 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	57
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	58 public Element create(String name) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	59 Element element = document.createElementNS(ns, name);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	60 element.setPrefix(prefix);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	61 return element;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	62 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	63
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	64 public void addAttr(Element element, String name, String value) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	65 Attr attr = document.createAttributeNS(ns, name);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	66 attr.setValue(value);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	67 attr.setPrefix(prefix);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	68 element.setAttributeNode(attr);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	69 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	70 } // class ElementCreator
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	71
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	72 public Document newDocument() {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	73 try {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	74 return DocumentBuilderFactory
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	75 .newInstance()
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	76 .newDocumentBuilder()
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	77 .newDocument();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	78 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	79 catch (ParserConfigurationException pce) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	80 logger.error(pce.getLocalizedMessage(), pce);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	81 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	82 return null;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	83 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	84
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	85 public XPath newXPath() {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	86 return newXPath(null);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	87 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	88
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	89 public XPath newXPath(NamespaceContext namespaceContext) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	90 XPathFactory factory = XPathFactory.newInstance();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	91 XPath xpath = factory.newXPath();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	92 if (namespaceContext != null) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	93 xpath.setNamespaceContext(namespaceContext);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	94 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	95 return xpath;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	96 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	97
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	98 public Object xpath(Object root, String query, QName returnTyp) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	99 return xpath(root, query, returnTyp, null);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	100 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	101
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	102 public final String xpathString(
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	103 Object root, String query, NamespaceContext namespaceContext
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	104 ) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	105 return (String)xpath(root, query, XPathConstants.STRING, namespaceContext);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	106 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	107
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	108 public static final Object xpath(
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	109 Object root,
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	110 String query,
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	111 QName returnType,
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	112 NamespaceContext namespaceContext
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	113 ) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	114 if (root == null) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	115 return null;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	116 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	117
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	118 try {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	119 XPath xpath = new XMLUtils().newXPath(namespaceContext);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	120 if (xpath != null) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	121 return xpath.evaluate(query, root, returnType);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	122 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	123 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	124 catch (XPathExpressionException xpee) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	125 logger.error(xpee.getLocalizedMessage(), xpee);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	126 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	127
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	128 return null;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	129 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	130
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	131 public Object getXPath(
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	132 Object root, String query, QName returnType
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	133 ) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	134 return xpath(root, query, returnType);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	135 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	136
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	137 public String getStringXPath(String xpath) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	138 return getStringXPath(xpath, null);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	139 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	140
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	141 public NodeList getNodeSetXPath(Object root, String query) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	142 return (NodeList)getXPath(root, query, XPathConstants.NODESET);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	143 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	144
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	145 public Node getNodeXPath(Object root, String query) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	146 return (Node)getXPath(root, query, XPathConstants.NODE);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	147 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	148
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	149 public String getStringXPath(Object root, String xpath) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	150 return getStringXPath(root, xpath, null);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	151 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	152
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	153 public String getStringXPath(
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	154 Object root, String query, String def
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	155 ) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	156 String s = (String)getXPath(root, query, XPathConstants.STRING);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	157 return s == null \|\| s.length() == 0
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	158 ? def
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	159 : s;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	160 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	161
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	162 public Document readDocument(InputStream inputStream){
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	163 Document returnValue = null;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	164 try {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	165 DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	166 DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	167 returnValue = docBuilder.parse (inputStream);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	168 } catch (ParserConfigurationException e) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	169 logger.error(e,e);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	170 } catch (SAXException e) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	171 logger.error(e,e);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	172 } catch (IOException e) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	173 logger.error(e,e);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	174 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	175 return returnValue;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	176 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	177
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	178 public String writeDocument2String(Document document){
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	179 try {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	180 TransformerFactory transformerFactory = TransformerFactory.newInstance();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	181 Transformer transformer = transformerFactory.newTransformer();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	182 DOMSource source = new DOMSource(document);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	183 StringWriter sw = new StringWriter();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	184 StreamResult result = new StreamResult(sw);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	185 transformer.transform(source, result);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	186 return sw.getBuffer().toString();
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	187 } catch (TransformerConfigurationException e) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	188 logger.error(e,e);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	189 } catch (TransformerFactoryConfigurationError e) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	190 logger.error(e,e);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	191 } catch (TransformerException e) {
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	192 logger.error(e,e);
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	193 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	194 return null;
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	195 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	196 }
5e94403971af infrastructur for Communicationg with the ArtifactDatabase added. Tim Englich <tim.englich@intevation.de> parents: diff changeset	197 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:

Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/util/XMLUtils.java @ 2:5e94403971af