1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/DocumentNamespaceContext.java Wed Sep 17 21:31:18 2014 +0200
1.3 @@ -0,0 +1,59 @@
1.4 +/**
1.5 + * Alt2XML
1.6 + * Copyright © 2014 František Kučera (frantovo.cz)
1.7 + *
1.8 + * This program is free software: you can redistribute it and/or modify
1.9 + * it under the terms of the GNU General Public License as published by
1.10 + * the Free Software Foundation, either version 3 of the License, or
1.11 + * (at your option) any later version.
1.12 + *
1.13 + * This program is distributed in the hope that it will be useful,
1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.16 + * GNU General Public License for more details.
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License
1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.20 + */
1.21 +package cz.frantovo.alt2xml.out.xpath;
1.22 +
1.23 +import java.util.Iterator;
1.24 +import javax.xml.XMLConstants;
1.25 +import javax.xml.namespace.NamespaceContext;
1.26 +import org.w3c.dom.Document;
1.27 +import org.w3c.dom.Node;
1.28 +
1.29 +/**
1.30 + *
1.31 + * @author Ing. František Kučera (frantovo.cz)
1.32 + */
1.33 +public class DocumentNamespaceContext implements NamespaceContext {
1.34 +
1.35 + private final Node document;
1.36 +
1.37 + public DocumentNamespaceContext(Node document) {
1.38 + this.document = document;
1.39 + }
1.40 +
1.41 + @Override
1.42 + public String getNamespaceURI(String prefix) {
1.43 + if (prefix.equals(XMLConstants.DEFAULT_NS_PREFIX)) {
1.44 + return document.lookupNamespaceURI(null);
1.45 + } else {
1.46 + return document.lookupNamespaceURI(prefix);
1.47 + }
1.48 + }
1.49 +
1.50 + @Override
1.51 + public String getPrefix(String xmlns) {
1.52 + return document.lookupPrefix(xmlns);
1.53 + }
1.54 +
1.55 + /**
1.56 + * TODO: support multiple prefixes
1.57 + */
1.58 + @Override
1.59 + public Iterator getPrefixes(String xmlns) {
1.60 + return new OneItemIterator(getPrefix(xmlns));
1.61 + }
1.62 +}
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
2.2 +++ b/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/OneItemIterator.java Wed Sep 17 21:31:18 2014 +0200
2.3 @@ -0,0 +1,49 @@
2.4 +/**
2.5 + * Alt2XML
2.6 + * Copyright © 2014 František Kučera (frantovo.cz)
2.7 + *
2.8 + * This program is free software: you can redistribute it and/or modify
2.9 + * it under the terms of the GNU General Public License as published by
2.10 + * the Free Software Foundation, either version 3 of the License, or
2.11 + * (at your option) any later version.
2.12 + *
2.13 + * This program is distributed in the hope that it will be useful,
2.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
2.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2.16 + * GNU General Public License for more details.
2.17 + *
2.18 + * You should have received a copy of the GNU General Public License
2.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
2.20 + */
2.21 +package cz.frantovo.alt2xml.out.xpath;
2.22 +
2.23 +import java.util.Iterator;
2.24 +
2.25 +/**
2.26 + *
2.27 + * @author Ing. František Kučera (frantovo.cz)
2.28 + */
2.29 +public class OneItemIterator<T> implements Iterator<T> {
2.30 +
2.31 + private final T item;
2.32 + private boolean unused = true;
2.33 +
2.34 + public OneItemIterator(T item) {
2.35 + this.item = item;
2.36 + }
2.37 +
2.38 + @Override
2.39 + public boolean hasNext() {
2.40 + return unused;
2.41 + }
2.42 +
2.43 + @Override
2.44 + public T next() {
2.45 + return item;
2.46 + }
2.47 +
2.48 + @Override
2.49 + public void remove() {
2.50 + throw new UnsupportedOperationException("remove not supported");
2.51 + }
2.52 +}
3.1 --- a/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/XPathAction.java Wed Sep 17 21:06:56 2014 +0200
3.2 +++ b/java/alt2xml-out-xpath/src/cz/frantovo/alt2xml/out/xpath/XPathAction.java Wed Sep 17 21:31:18 2014 +0200
3.3 @@ -31,6 +31,7 @@
3.4 import javax.xml.xpath.XPathExpressionException;
3.5 import javax.xml.xpath.XPathFactory;
3.6 import javax.xml.xpath.XPathVariableResolver;
3.7 +import org.w3c.dom.Node;
3.8
3.9 /**
3.10 *
3.11 @@ -47,7 +48,6 @@
3.12 private final XPathFactory xpathFactory;
3.13 private final XPath xpath;
3.14 private final String expressionString;
3.15 - private final XPathExpression xpathExpression;
3.16
3.17 public XPathAction(ActionContext actionContext) throws OutputActionException {
3.18 super(actionContext);
3.19 @@ -79,12 +79,6 @@
3.20 xpath.setXPathVariableResolver(variableResolver);
3.21
3.22 expressionString = actionData.get(0);
3.23 - try {
3.24 - xpathExpression = xpath.compile(expressionString);
3.25 - } catch (XPathExpressionException e) {
3.26 - throw new OutputActionException("Unable to compile XPath: " + expressionString, e);
3.27 - }
3.28 -
3.29 }
3.30 }
3.31
3.32 @@ -147,8 +141,19 @@
3.33
3.34 @Override
3.35 public void run(DOMResult domResult) throws OutputActionException {
3.36 + XPathExpression xpathExpression = null;
3.37 try {
3.38 - String result = xpathExpression.evaluate(domResult.getNode());
3.39 + Node document = domResult.getNode();
3.40 +
3.41 + xpath.setNamespaceContext(new DocumentNamespaceContext(document));
3.42 +
3.43 + try {
3.44 + xpathExpression = xpath.compile(expressionString);
3.45 + } catch (XPathExpressionException e) {
3.46 + throw new OutputActionException("Unable to compile XPath: " + expressionString, e);
3.47 + }
3.48 +
3.49 + String result = xpathExpression.evaluate(document);
3.50 try (PrintWriter out = new PrintWriter(getActionContext().getOutputStream())) {
3.51 out.print(result);
3.52 if (lineBreak) {