Example usage for org.apache.commons.jxpath JXPathContext getVariables

List of usage examples for org.apache.commons.jxpath JXPathContext getVariables

Introduction

In this page you can find the example usage for org.apache.commons.jxpath JXPathContext getVariables.

Prototype

public Variables getVariables() 

Source Link

Document

Returns the variable pool associated with the context.

Usage

From source file:com.discursive.jccook.collections.predicate.XPathPredicate.java

private void populateVariables(JXPathContext context) {
    Set keys = variables.keySet();
    Iterator keyIter = keys.iterator();
    while (keyIter.hasNext()) {
        String key = (String) keyIter.next();
        context.getVariables().declareVariable(key, variables.get(key));
    }//ww w.  j  a  va  2s  . c o  m
}

From source file:com.discursive.jccook.xml.jxpath.PlanetSearch.java

public void planetSearch() throws IOException, SAXException {
    List planets = new ArrayList();

    InputStream input = getClass().getResourceAsStream("./planets.xml");
    URL rules = getClass().getResource("./planet-digester-rules.xml");
    Digester digester = DigesterLoader.createDigester(rules);
    digester.push(planets);/*from  w w w  . j a v a  2s.co m*/
    digester.parse(input);

    System.out.println("Number of planets: " + planets.size());

    System.out.println("Planet Name where radius > 5000");
    JXPathContext context = JXPathContext.newContext(planets);
    Iterator iterator = context.iterate(".[@radius > 5000]/name");
    while (iterator.hasNext()) {
        Object o = (Object) iterator.next();
        System.out.println("Object: " + o);
    }

    System.out.println("Planet Name where a moon is named Deimos");
    iterator = context.iterate("./moons[. = 'Deimos']/../name");
    while (iterator.hasNext()) {
        String name = (String) iterator.next();
        System.out.println("Planet Namet: " + name);
    }

    System.out.println("Planet where Helium percentage greater than 2");
    iterator = context.iterate("./atmosphere/components/He[.>2]/../../..");
    while (iterator.hasNext()) {
        Planet p = (Planet) iterator.next();
        System.out.println("Planet: " + p.getName());
    }

    System.out.println("All of the Moon Names");
    iterator = context.iterate("./moons");
    while (iterator.hasNext()) {
        String moon = (String) iterator.next();
        context.getVariables().declareVariable("moonName", moon);
        String planet = (String) context.getValue("./moons[. = $moonName]/../name");
        System.out.println("Moon: " + moon + ", \t\t\tPlanet: " + planet);
    }
}

From source file:jp.co.opentone.bsol.framework.test.AbstractTestCase.java

/**
 * ???Excel????.//from  w  ww. ja v a  2  s  .  co  m
 * <p>
 * ????
 * <ul>
 * <li>Excel?</li>
 * <li>Excel????</li>
 * <li>Excel?</li>
 * <li>?????</li>
 * </ul>
 * </p>
 * @param sheetCount Excel?
 * @param sheetName Excel????
 * @param sheetRow Excel?????
 * @param expected 
 * @param actual Excel
 * @throws Exception ??
 */
@SuppressWarnings("unchecked")
protected void assertExcel(int sheetCount, String sheetName, int sheetRow, List<Object> expected, byte[] actual)
        throws Exception {
    // JXPathContext?
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    Document document = builder.parse(new ByteArrayInputStream(actual));
    JXPathContext context = JXPathContext.newContext(document);
    // ????
    context.registerNamespace("NS", "urn:schemas-microsoft-com:office:spreadsheet");

    // ?TEST
    assertEquals(sheetCount, ((Double) context.getValue("count(/NS:Workbook/NS:Worksheet)")).intValue());
    // ?TEST??
    assertEquals(sheetName, context.getValue("/NS:Workbook/NS:Worksheet/@ss:Name"));
    // ?TEST
    assertEquals(sheetRow + 1, Integer
            .parseInt((String) context.getValue("/NS:Workbook/NS:Worksheet/NS:Table/@ss:ExpandedRowCount")));

    // Row??
    int rows = ((Double) context.getValue("count(/NS:Workbook/NS:Worksheet/NS:Table/NS:Row)")).intValue();
    assertEquals(sheetRow + 1, rows);

    // ????
    for (int i = 1; i <= rows; i++) {
        // XPath??
        context.getVariables().declareVariable("index", i);
        // Pointer?????JXPathContext?
        Pointer pointer = context.getPointer("/NS:Workbook/NS:Worksheet/NS:Table/NS:Row[$index]");
        JXPathContext contextRow = context.getRelativeContext(pointer);
        contextRow.registerNamespace("NS", "urn:schemas-microsoft-com:office:spreadsheet");

        List<Object> expectedRow = (List<Object>) expected.get(i - 1);

        // Column??
        int columns = ((Double) contextRow.getValue("count(NS:Cell)")).intValue();
        // ????
        for (int j = 1; j <= columns; j++) {
            // Pointer?????JXPathContext?
            contextRow.getVariables().declareVariable("index", j);
            Pointer pointerColumn = contextRow.getPointer("NS:Cell[$index]");
            JXPathContext contextColumn = contextRow.getRelativeContext(pointerColumn);

            // 
            String actualColumn = (String) contextColumn.getValue("NS:Data");
            // actualColumn?String?????String??
            String expectedColumn;
            Object o = expectedRow.get(j - 1);
            if (o == null) {
                expectedColumn = "";
            } else if (o instanceof Date) {
                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
                expectedColumn = dateFormat.format(o);
            } else {
                expectedColumn = o.toString();
            }
            // ?TEST?
            assertEquals(expectedColumn, actualColumn);
        }
    }
}

From source file:org.apache.cocoon.generation.JXTemplateGenerator.java

private void execute(final XMLConsumer consumer, MyJexlContext jexlContext, JXPathContext jxpathContext,
        StartElement macroCall, Event startEvent, Event endEvent) throws SAXException {
    Event ev = startEvent;//w  ww  .java2  s . c o  m
    LocationFacade loc = new LocationFacade(ev.location);
    consumer.setDocumentLocator(loc);
    while (ev != endEvent) {
        loc.setDocumentLocation(ev.location);
        if (ev instanceof Characters) {
            TextEvent text = (TextEvent) ev;
            Iterator iter = text.substitutions.iterator();
            while (iter.hasNext()) {
                Object subst = iter.next();
                char[] chars;
                if (subst instanceof char[]) {
                    chars = (char[]) subst;
                } else {
                    JXTExpression expr = (JXTExpression) subst;
                    try {
                        Object val = getNode(expr, jexlContext, jxpathContext);
                        if (val instanceof Node) {
                            executeDOM(consumer, jexlContext, jxpathContext, (Node) val);
                            continue;
                        } else if (val instanceof NodeList) {
                            NodeList nodeList = (NodeList) val;
                            int len = nodeList.getLength();
                            for (int i = 0; i < len; i++) {
                                Node n = nodeList.item(i);
                                executeDOM(consumer, jexlContext, jxpathContext, n);
                            }
                            continue;
                        } else if (val instanceof Node[]) {
                            Node[] nodeList = (Node[]) val;
                            int len = nodeList.length;
                            for (int i = 0; i < len; i++) {
                                Node n = nodeList[i];
                                executeDOM(consumer, jexlContext, jxpathContext, n);
                            }
                            continue;
                        } else if (val instanceof XMLizable) {
                            ((XMLizable) val).toSAX(new IncludeXMLConsumer(consumer));
                            continue;
                        }
                        chars = val != null ? val.toString().toCharArray() : ArrayUtils.EMPTY_CHAR_ARRAY;
                    } catch (Exception e) {
                        throw new JXTException(e.getMessage(), ev.location, e);
                    }
                }
                consumer.characters(chars, 0, chars.length);
            }
        } else if (ev instanceof EndElement) {
            EndElement endElement = (EndElement) ev;
            StartElement startElement = endElement.startElement;
            StartDefine def = (StartDefine) definitions.get(startElement.qname);
            if (def == null) {
                consumer.endElement(startElement.namespaceURI, startElement.localName, startElement.raw);
                namespaces.leaveScope(consumer);
            }
        } else if (ev instanceof EndPrefixMapping) {
            EndPrefixMapping endPrefixMapping = (EndPrefixMapping) ev;
            namespaces.removeDeclaration(endPrefixMapping.prefix);
        } else if (ev instanceof IgnorableWhitespace) {
            TextEvent text = (TextEvent) ev;
            characters(jexlContext, jxpathContext, text, new CharHandler() {
                public void characters(char[] ch, int offset, int len) throws SAXException {
                    consumer.ignorableWhitespace(ch, offset, len);
                }
            });
        } else if (ev instanceof SkippedEntity) {
            SkippedEntity skippedEntity = (SkippedEntity) ev;
            consumer.skippedEntity(skippedEntity.name);
        } else if (ev instanceof StartIf) {
            StartIf startIf = (StartIf) ev;
            Object val;
            try {
                val = getValue(startIf.test, jexlContext, jxpathContext, Boolean.TRUE);
            } catch (Exception e) {
                throw new JXTException(e.getMessage(), ev.location, e);
            }
            boolean result = false;
            if (val instanceof Boolean) {
                result = ((Boolean) val).booleanValue();
            } else {
                result = (val != null);
            }
            if (!result) {
                ev = startIf.endInstruction.next;
                continue;
            }
        } else if (ev instanceof StartForEach) {
            StartForEach startForEach = (StartForEach) ev;
            final Object items = startForEach.items;
            Iterator iter = null;
            int begin, end, step;
            String var, varStatus;
            try {
                if (items != null) {
                    JXTExpression expr = (JXTExpression) items;
                    if (expr.compiledExpression instanceof CompiledExpression) {
                        CompiledExpression compiledExpression = (CompiledExpression) expr.compiledExpression;
                        Object val = compiledExpression.getPointer(jxpathContext, expr.raw).getNode();
                        // FIXME: workaround for JXPath bug
                        iter = val instanceof NativeArray
                                ? new JSIntrospector.NativeArrayIterator((NativeArray) val)
                                : compiledExpression.iteratePointers(jxpathContext);
                    } else if (expr.compiledExpression instanceof Expression) {
                        Expression e = (Expression) expr.compiledExpression;
                        Object result = e.evaluate(jexlContext);
                        if (result != null) {
                            iter = Introspector.getUberspect().getIterator(result,
                                    new Info(ev.location.getURI(), ev.location.getLineNumber(),
                                            ev.location.getColumnNumber()));
                        }
                        if (iter == null) {
                            iter = EMPTY_ITER;
                        }
                    } else {
                        // literal value
                        iter = new Iterator() {
                            Object val = items;

                            public boolean hasNext() {
                                return val != null;
                            }

                            public Object next() {
                                Object res = val;
                                val = null;
                                return res;
                            }

                            public void remove() {
                                // EMPTY
                            }
                        };
                    }
                } else {
                    iter = NULL_ITER;
                }
                begin = startForEach.begin == null ? 0
                        : getIntValue(startForEach.begin, jexlContext, jxpathContext);
                end = startForEach.end == null ? Integer.MAX_VALUE
                        : getIntValue(startForEach.end, jexlContext, jxpathContext);
                step = startForEach.step == null ? 1
                        : getIntValue(startForEach.step, jexlContext, jxpathContext);
                var = getStringValue(startForEach.var, jexlContext, jxpathContext);
                varStatus = getStringValue(startForEach.varStatus, jexlContext, jxpathContext);
            } catch (Exception exc) {
                throw new JXTException(exc.getMessage(), ev.location, exc);
            }
            MyJexlContext localJexlContext = new MyJexlContext(jexlContext);
            MyVariables localJXPathVariables = new MyVariables((MyVariables) jxpathContext.getVariables());
            int i = 0;
            // Move to the begin row
            while (i < begin && iter.hasNext()) {
                iter.next();
                i++;
            }
            LoopTagStatus status = null;
            if (varStatus != null) {
                status = new LoopTagStatus();
                status.begin = begin;
                status.end = end;
                status.step = step;
                status.first = true;
                localJexlContext.put(varStatus, status);
                localJXPathVariables.declareVariable(varStatus, status);
            }
            int skipCounter, count = 1;
            JXPathContext localJXPathContext = null;
            while (i <= end && iter.hasNext()) {
                Object value = iter.next();
                if (value instanceof Pointer) {
                    Pointer ptr = (Pointer) value;
                    localJXPathContext = jxpathContext.getRelativeContext(ptr);
                    localJXPathContext.setNamespaceContextPointer(new NamespacesTablePointer(namespaces));
                    try {
                        value = ptr.getNode();
                    } catch (Exception exc) {
                        throw new JXTException(exc.getMessage(), ev.location, null);
                    }
                } else {
                    localJXPathContext = jxpathContextFactory.newContext(jxpathContext, value);
                    localJXPathContext.setNamespaceContextPointer(new NamespacesTablePointer(namespaces));
                }
                localJXPathContext.setVariables(localJXPathVariables);
                if (var != null) {
                    localJexlContext.put(var, value);
                }
                if (status != null) {
                    status.index = i;
                    status.count = count;
                    status.first = i == begin;
                    status.current = value;
                    status.last = (i == end || !iter.hasNext());
                }
                execute(consumer, localJexlContext, localJXPathContext, macroCall, startForEach.next,
                        startForEach.endInstruction);
                // Skip rows
                skipCounter = step;
                while (--skipCounter > 0 && iter.hasNext()) {
                    iter.next();
                }
                // Increase index
                i += step;
                count++;
            }
            ev = startForEach.endInstruction.next;
            continue;
        } else if (ev instanceof StartChoose) {
            StartChoose startChoose = (StartChoose) ev;
            StartWhen startWhen = startChoose.firstChoice;
            while (startWhen != null) {
                Object val;
                try {
                    val = getValue(startWhen.test, jexlContext, jxpathContext, Boolean.TRUE);
                } catch (Exception e) {
                    throw new JXTException(e.getMessage(), ev.location, e);
                }
                boolean result;
                if (val instanceof Boolean) {
                    result = ((Boolean) val).booleanValue();
                } else {
                    result = (val != null);
                }
                if (result) {
                    execute(consumer, jexlContext, jxpathContext, macroCall, startWhen.next,
                            startWhen.endInstruction);
                    break;
                }
                startWhen = startWhen.nextChoice;
            }
            if (startWhen == null && startChoose.otherwise != null) {
                execute(consumer, jexlContext, jxpathContext, macroCall, startChoose.otherwise.next,
                        startChoose.otherwise.endInstruction);
            }
            ev = startChoose.endInstruction.next;
            continue;
        } else if (ev instanceof StartSet) {
            StartSet startSet = (StartSet) ev;
            Object value = null;
            String var = null;
            try {
                if (startSet.var != null) {
                    var = getStringValue(startSet.var, jexlContext, jxpathContext);
                }
                if (startSet.value != null) {
                    value = getNode(startSet.value, jexlContext, jxpathContext);
                }
            } catch (Exception exc) {
                throw new JXTException(exc.getMessage(), ev.location, exc);
            }
            if (value == null) {
                NodeList nodeList = toDOMNodeList("set", startSet, jexlContext, macroCall);
                // JXPath doesn't handle NodeList, so convert it to an array
                int len = nodeList.getLength();
                Node[] nodeArr = new Node[len];
                for (int i = 0; i < len; i++) {
                    nodeArr[i] = nodeList.item(i);
                }
                value = nodeArr;
            }
            if (var != null) {
                jxpathContext.getVariables().declareVariable(var, value);
                jexlContext.put(var, value);
            }
            ev = startSet.endInstruction.next;
            continue;
        } else if (ev instanceof StartElement) {
            StartElement startElement = (StartElement) ev;
            StartDefine def = (StartDefine) definitions.get(startElement.qname);
            if (def != null) {
                Map attributeMap = new HashMap();
                Iterator i = startElement.attributeEvents.iterator();
                while (i.hasNext()) {
                    String attributeName;
                    Object attributeValue;
                    AttributeEvent attrEvent = (AttributeEvent) i.next();
                    attributeName = attrEvent.localName;
                    if (attrEvent instanceof CopyAttribute) {
                        CopyAttribute copy = (CopyAttribute) attrEvent;
                        attributeValue = copy.value;
                    } else if (attrEvent instanceof SubstituteAttribute) {
                        SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent;
                        if (substEvent.substitutions.size() == 1
                                && substEvent.substitutions.get(0) instanceof JXTExpression) {
                            JXTExpression expr = (JXTExpression) substEvent.substitutions.get(0);
                            Object val;
                            try {
                                val = getNode(expr, jexlContext, jxpathContext);
                            } catch (Exception e) {
                                throw new JXTException(e.getMessage(), ev.location, e);
                            }
                            attributeValue = val != null ? val : "";
                        } else {
                            StringBuffer buf = new StringBuffer();
                            Iterator iterSubst = substEvent.substitutions.iterator();
                            while (iterSubst.hasNext()) {
                                Subst subst = (Subst) iterSubst.next();
                                if (subst instanceof Literal) {
                                    Literal lit = (Literal) subst;
                                    buf.append(lit.value);
                                } else if (subst instanceof JXTExpression) {
                                    JXTExpression expr = (JXTExpression) subst;
                                    Object val;
                                    try {
                                        val = getValue(expr, jexlContext, jxpathContext);
                                    } catch (Exception e) {
                                        throw new JXTException(e.getMessage(), ev.location, e);
                                    }
                                    buf.append(val != null ? val.toString() : "");
                                }
                            }
                            attributeValue = buf.toString();
                        }
                    } else {
                        throw new Error("this shouldn't have happened");
                    }
                    attributeMap.put(attributeName, attributeValue);
                }
                MyVariables parent = (MyVariables) jxpathContext.getVariables();
                MyVariables vars = new MyVariables(parent);
                MyJexlContext localJexlContext = new MyJexlContext(jexlContext);
                HashMap macro = new HashMap();
                macro.put("body", startElement);
                macro.put("arguments", attributeMap);
                localJexlContext.put("macro", macro);
                vars.declareVariable("macro", macro);
                Iterator iter = def.parameters.entrySet().iterator();
                while (iter.hasNext()) {
                    Map.Entry e = (Map.Entry) iter.next();
                    String key = (String) e.getKey();
                    StartParameter startParam = (StartParameter) e.getValue();
                    Object default_ = startParam.default_;
                    Object val = attributeMap.get(key);
                    if (val == null) {
                        val = default_;
                    }
                    localJexlContext.put(key, val);
                    vars.declareVariable(key, val);
                }
                JXPathContext localJXPathContext = jxpathContextFactory.newContext(null,
                        jxpathContext.getContextBean());
                localJXPathContext.setNamespaceContextPointer(new NamespacesTablePointer(namespaces));
                localJXPathContext.setVariables(vars);
                call(ev.location, startElement, consumer, localJexlContext, localJXPathContext, def.body,
                        def.endInstruction);
                ev = startElement.endElement.next;
                continue;
            }
            Iterator i = startElement.attributeEvents.iterator();
            AttributesImpl attrs = new AttributesImpl();
            while (i.hasNext()) {
                AttributeEvent attrEvent = (AttributeEvent) i.next();
                if (attrEvent instanceof CopyAttribute) {
                    CopyAttribute copy = (CopyAttribute) attrEvent;
                    attrs.addAttribute(copy.namespaceURI, copy.localName, copy.raw, copy.type, copy.value);
                } else if (attrEvent instanceof SubstituteAttribute) {
                    StringBuffer buf = new StringBuffer();
                    SubstituteAttribute substEvent = (SubstituteAttribute) attrEvent;
                    Iterator iterSubst = substEvent.substitutions.iterator();
                    while (iterSubst.hasNext()) {
                        Subst subst = (Subst) iterSubst.next();
                        if (subst instanceof Literal) {
                            Literal lit = (Literal) subst;
                            buf.append(lit.value);
                        } else if (subst instanceof JXTExpression) {
                            JXTExpression expr = (JXTExpression) subst;
                            Object val;
                            try {
                                val = getValue(expr, jexlContext, jxpathContext);
                            } catch (Exception e) {
                                throw new JXTException(e.getMessage(), ev.location, e);
                            }
                            buf.append(val != null ? val.toString() : "");
                        }
                    }
                    attrs.addAttribute(attrEvent.namespaceURI, attrEvent.localName, attrEvent.raw,
                            attrEvent.type, buf.toString());
                }
            }
            namespaces.enterScope(consumer);
            consumer.startElement(startElement.namespaceURI, startElement.localName, startElement.raw, attrs);
        } else if (ev instanceof StartFormatNumber) {
            StartFormatNumber startFormatNumber = (StartFormatNumber) ev;
            try {
                String result = startFormatNumber.format(jexlContext, jxpathContext);
                if (result != null) {
                    char[] chars = result.toCharArray();
                    consumer.characters(chars, 0, chars.length);
                }
            } catch (Exception e) {
                throw new JXTException(e.getMessage(), ev.location, e);
            }
        } else if (ev instanceof StartFormatDate) {
            StartFormatDate startFormatDate = (StartFormatDate) ev;
            try {
                String result = startFormatDate.format(jexlContext, jxpathContext);
                if (result != null) {
                    char[] chars = result.toCharArray();
                    consumer.characters(chars, 0, chars.length);
                }
            } catch (Exception e) {
                throw new JXTException(e.getMessage(), ev.location, e);
            }
        } else if (ev instanceof StartPrefixMapping) {
            StartPrefixMapping startPrefixMapping = (StartPrefixMapping) ev;
            namespaces.addDeclaration(startPrefixMapping.prefix, startPrefixMapping.uri);
        } else if (ev instanceof StartComment) {
            StartComment startJXComment = (StartComment) ev;
            // Parse the body of the comment
            NodeList nodeList = toDOMNodeList("comment", startJXComment, jexlContext, macroCall);
            // JXPath doesn't handle NodeList, so convert it to an array
            int len = nodeList.getLength();
            final StringBuffer buf = new StringBuffer();
            Properties omit = XMLUtils.createPropertiesForXML(true);
            for (int i = 0; i < len; i++) {
                try {
                    String str = XMLUtils.serializeNode(nodeList.item(i), omit);
                    buf.append(StringUtils.substringAfter(str, ">")); // cut the XML header
                } catch (Exception e) {
                    throw new JXTException(e.getMessage(), startJXComment.location, e);
                }
            }
            char[] chars = new char[buf.length()];
            buf.getChars(0, chars.length, chars, 0);
            consumer.comment(chars, 0, chars.length);
            ev = startJXComment.endInstruction.next;
            continue;
        } else if (ev instanceof EndCDATA) {
            consumer.endCDATA();
        } else if (ev instanceof EndDTD) {
            consumer.endDTD();
        } else if (ev instanceof EndEntity) {
            consumer.endEntity(((EndEntity) ev).name);
        } else if (ev instanceof StartCDATA) {
            consumer.startCDATA();
        } else if (ev instanceof StartDTD) {
            StartDTD startDTD = (StartDTD) ev;
            consumer.startDTD(startDTD.name, startDTD.publicId, startDTD.systemId);
        } else if (ev instanceof StartEntity) {
            consumer.startEntity(((StartEntity) ev).name);
        } else if (ev instanceof StartOut) {
            StartOut startOut = (StartOut) ev;
            Object val;
            try {
                val = getNode(startOut.compiledExpression, jexlContext, jxpathContext, startOut.lenient);
                if (val instanceof Node) {
                    executeDOM(consumer, jexlContext, jxpathContext, (Node) val);
                } else if (val instanceof NodeList) {
                    NodeList nodeList = (NodeList) val;
                    int len = nodeList.getLength();
                    for (int i = 0; i < len; i++) {
                        Node n = nodeList.item(i);
                        executeDOM(consumer, jexlContext, jxpathContext, n);
                    }
                } else if (val instanceof Node[]) {
                    Node[] nodeList = (Node[]) val;
                    int len = nodeList.length;
                    for (int i = 0; i < len; i++) {
                        Node n = nodeList[i];
                        executeDOM(consumer, jexlContext, jxpathContext, n);
                    }
                } else if (val instanceof XMLizable) {
                    ((XMLizable) val).toSAX(new IncludeXMLConsumer(consumer));
                } else {
                    char[] ch = val == null ? ArrayUtils.EMPTY_CHAR_ARRAY : val.toString().toCharArray();
                    consumer.characters(ch, 0, ch.length);
                }
            } catch (Exception e) {
                throw new JXTException(e.getMessage(), ev.location, e);
            }
        } else if (ev instanceof StartTemplate) {
            // EMPTY
        } else if (ev instanceof StartEval) {
            StartEval startEval = (StartEval) ev;
            JXTExpression expr = startEval.value;
            try {
                Object val = getNode(expr, jexlContext, jxpathContext);
                if (!(val instanceof StartElement)) {
                    throw new Exception("macro invocation required instead of: " + val);
                }
                StartElement call = (StartElement) val;
                execute(consumer, jexlContext, jxpathContext, call, call.next, call.endElement);
            } catch (Exception exc) {
                throw new JXTException(exc.getMessage(), ev.location, exc);
            }
            ev = startEval.endInstruction.next;
            continue;
        } else if (ev instanceof StartEvalBody) {
            StartEvalBody startEval = (StartEvalBody) ev;
            try {
                execute(consumer, jexlContext, jxpathContext, null, macroCall.next, macroCall.endElement);
            } catch (Exception exc) {
                throw new JXTException(exc.getMessage(), ev.location, exc);
            }
            ev = startEval.endInstruction.next;
            continue;
        } else if (ev instanceof StartDefine) {
            StartDefine startDefine = (StartDefine) ev;
            definitions.put(startDefine.qname, startDefine);
            ev = startDefine.endInstruction.next;
            continue;
        } else if (ev instanceof StartImport) {
            StartImport startImport = (StartImport) ev;
            String uri;
            AttributeEvent e = startImport.uri;
            if (e instanceof CopyAttribute) {
                CopyAttribute copy = (CopyAttribute) e;
                uri = copy.value;
            } else {
                StringBuffer buf = new StringBuffer();
                SubstituteAttribute substAttr = (SubstituteAttribute) e;
                Iterator i = substAttr.substitutions.iterator();
                while (i.hasNext()) {
                    Subst subst = (Subst) i.next();
                    if (subst instanceof Literal) {
                        Literal lit = (Literal) subst;
                        buf.append(lit.value);
                    } else if (subst instanceof JXTExpression) {
                        JXTExpression expr = (JXTExpression) subst;
                        Object val;
                        try {
                            val = getValue(expr, jexlContext, jxpathContext);
                        } catch (Exception exc) {
                            throw new JXTException(exc.getMessage(), ev.location, exc);
                        }
                        buf.append(val != null ? val.toString() : "");
                    }
                }
                uri = buf.toString();
            }
            Source input = null;
            StartDocument doc;
            try {
                input = resolver.resolveURI(uri);
                SourceValidity validity = null;
                synchronized (cache) {
                    doc = (StartDocument) cache.get(input.getURI());
                    if (doc != null) {
                        boolean recompile = false;
                        if (doc.compileTime == null) {
                            recompile = true;
                        } else {
                            int valid = doc.compileTime.isValid();
                            if (valid == SourceValidity.UNKNOWN) {
                                validity = input.getValidity();
                                valid = doc.compileTime.isValid(validity);
                            }
                            if (valid != SourceValidity.VALID) {
                                recompile = true;
                            }
                        }
                        if (recompile) {
                            doc = null; // recompile
                        }
                    }
                }
                if (doc == null) {
                    Parser parser = new Parser();
                    // call getValidity before using the stream is faster if the source is a SitemapSource
                    if (validity == null) {
                        validity = input.getValidity();
                    }
                    SourceUtil.parse(this.manager, input, parser);
                    doc = parser.getStartEvent();
                    doc.compileTime = validity;
                    synchronized (cache) {
                        cache.put(input.getURI(), doc);
                    }
                }
            } catch (Exception exc) {
                throw new JXTException(exc.getMessage(), ev.location, exc);
            } finally {
                resolver.release(input);
            }
            JXPathContext selectJXPath = jxpathContext;
            MyJexlContext selectJexl = jexlContext;
            if (startImport.select != null) {
                try {
                    Object obj = getValue(startImport.select, jexlContext, jxpathContext);
                    selectJXPath = jxpathContextFactory.newContext(null, obj);
                    selectJXPath.setNamespaceContextPointer(new NamespacesTablePointer(namespaces));
                    selectJXPath.setVariables(variables);
                    selectJexl = new MyJexlContext(jexlContext);
                    fillContext(obj, selectJexl);
                } catch (Exception exc) {
                    throw new JXTException(exc.getMessage(), ev.location, exc);
                }
            }
            try {
                execute(consumer, selectJexl, selectJXPath, macroCall, doc.next, doc.endDocument);
            } catch (Exception exc) {
                throw new JXTException(
                        "Exception occurred in imported template " + uri + ": " + exc.getMessage(), ev.location,
                        exc);
            }
            ev = startImport.endInstruction.next;
            continue;
        } else if (ev instanceof StartDocument) {
            if (((StartDocument) ev).endDocument != null) {
                // if this isn't a document fragment
                consumer.startDocument();
            }
        } else if (ev instanceof EndDocument) {
            consumer.endDocument();
        } else if (ev instanceof ProcessingInstruction) {
            ProcessingInstruction pi = (ProcessingInstruction) ev;
            consumer.processingInstruction(pi.target, pi.data);
        }
        ev = ev.next;
    }
}

From source file:org.apache.cocoon.taglib.VarTagSupport.java

protected final Object getVariable(String name) {
    JXPathContext context = getVariableContext();
    if (name.charAt(0) == '$') {
        return context.getValue(name);
    }/*from  ww w. ja v a2  s .  c o  m*/
    return context.getVariables().getVariable(name);
    //getRequest().getAttribute(name);
}

From source file:org.apache.cocoon.taglib.VarTagSupport.java

/**
 * Register the name and object specified.
 *
 * @param name the name of the attribute to set
 * @param value  the object to associate with the name
 *///from  ww  w . j a v  a2 s . c  o m
protected final void setVariable(String name, Object value) {
    JXPathContext context = getVariableContext();
    if (name.charAt(0) == '$')
        context.setValue(name, value);
    else
        context.getVariables().declareVariable(name, value);
    //getRequest().setAttribute(name, value);
}

From source file:org.apache.cocoon.taglib.VarTagSupport.java

protected final void removeVariable(String name) {
    JXPathContext context = getVariableContext();
    if (name.charAt(0) == '$')
        context.setValue(name, null);/*from ww  w.ja  v  a  2s. c  o  m*/
    else
        context.getVariables().declareVariable(name, null);
    //getRequest().removeAttribute(name);
}

From source file:org.apache.cocoon.woody.transformation.WoodyPipelineConfig.java

/**
 * Creates and initializes a WoodyPipelineConfig object based on the passed
 * arguments of the setup() of the specific Pipeline-component.
 * /* w ww. j  ava2 s.  c o m*/
 * @param objectModel the objectmodel as passed in the setup()
 * @param parameters the parameters as passed in the setup()
 * @return an instance of WoodyPipelineConfig initialized according to the 
 * settings in the sitemap.
 */
public static WoodyPipelineConfig createConfig(Map objectModel, Parameters parameters) {
    // create and set the jxpathContext...
    Object flowContext = FlowHelper.getContextObject(objectModel);
    WebContinuation wk = FlowHelper.getWebContinuation(objectModel);
    JXPathContext jxpc = JXPathContext.newContext(flowContext);
    Variables vars = jxpc.getVariables();
    vars.declareVariable("continuation", wk);
    Request request = ObjectModelHelper.getRequest(objectModel);
    vars.declareVariable("request", request);
    Session session = request.getSession(false);
    vars.declareVariable("session", session);
    vars.declareVariable("parameters", parameters);

    Locale localeParameter = null;
    String localeStr = parameters.getParameter("locale", null);
    if (localeStr != null) {
        localeParameter = I18nUtils.parseLocale(localeStr);
    }

    String attributeName = parameters.getParameter("attribute-name", null);
    String actionExpression = parameters.getParameter("form-action", null);
    String formMethod = parameters.getParameter("form-method", "POST");
    //TODO (20031223 mpo)think about adding form-encoding for the Generator.
    // Note generator will also need some text to go on the submit-button? 
    // Alternative to adding more here is to apply xinclude ?

    return new WoodyPipelineConfig(jxpc, request, localeParameter, attributeName, actionExpression, formMethod);
}

From source file:org.chiba.xml.xforms.ui.state.UIElementStateUtil.java

public static ModelItem getModelItem(BindingElement owner) {
    JXPathContext context = owner.getModel().getDefaultInstance().getInstanceContext();
    context.getVariables().declareVariable("contextmodel", owner.getModelId());

    if (owner.isBound()) {
        return owner.getModel().getInstance(owner.getInstanceId()).getModelItem(owner.getLocationPath());
    }//from  ww w .j  a v a2s.c  o m
    context.getVariables().undeclareVariable("contextmodel");

    return null;
}

From source file:org.chiba.xml.xforms.xpath.XFormsExtensionFunctions.java

/**
 * The avg() Function [7.7.1]./*  ww w .  j  a v a2 s  .c  om*/
 * <p/>
 * Function avg returns the arithmetic average of the result of
 * converting the string-values of each node in the argument node-set
 * to a number. The sum is computed with sum(), and divided with div
 * by the value computed with count().
 *
 * @param context the expression context.
 * @param nodeset the node-set.
 * @return the computed node-set average.
 */
public static double avg(ExpressionContext context, List nodeset) {
    if ((nodeset == null) || (nodeset.size() == 0)) {
        return Double.NaN;
    }

    JXPathContext rootContext = context.getJXPathContext();
    rootContext.getVariables().declareVariable("nodeset", nodeset);

    Double value = (Double) rootContext.getValue("sum($nodeset) div count($nodeset)", Double.class);

    return value.doubleValue();
}