Examples with XPathBuilder org.apache.camel.builder.xml.XPathBuilder used on opensource projects

Example 11 with XPathBuilder

use of org.apache.camel.builder.xml.XPathBuilder in project camel by apache.

the class XPathTest method testXPathFunctionTokenizeUsingObjectModel.

@Ignore("See http://www.saxonica.com/documentation/index.html#!xpath-api/jaxp-xpath/factory")
@Test
public void testXPathFunctionTokenizeUsingObjectModel() throws Exception {
    // START SNIPPET: e2
    // create a builder to evaluate the xpath using saxon based on its object model uri
    XPathBuilder builder = XPathBuilder.xpath("tokenize(/foo/bar, '_')[2]").objectModel("http://saxon.sf.net/jaxp/xpath/om");
    // evaluate as a String result
    String result = builder.evaluate(context, "<foo><bar>abc_def_ghi</bar></foo>");
    assertEquals("def", result);
// END SNIPPET: e2
}

Example 12 with XPathBuilder

use of org.apache.camel.builder.xml.XPathBuilder in project camel by apache.

the class XPathTest method testXPathFunctionSubstringUsingSaxon.

@Test
public void testXPathFunctionSubstringUsingSaxon() throws Exception {
    String xml = "<foo><bar>Hello World</bar></foo>";
    XPathFactory fac = new XPathFactoryImpl();
    XPathBuilder builder = XPathBuilder.xpath("substring(/foo/bar, 7)").factory(fac);
    String result = builder.resultType(String.class).evaluate(context, xml, String.class);
    assertEquals("World", result);
    result = builder.evaluate(context, xml);
    assertEquals("World", result);
}

Example 13 with XPathBuilder

use of org.apache.camel.builder.xml.XPathBuilder in project camel by apache.

the class XPathAnnotationExpressionFactory method createExpression.

@Override
public Expression createExpression(CamelContext camelContext, Annotation annotation, LanguageAnnotation languageAnnotation, Class<?> expressionReturnType) {
    String xpath = getExpressionFromAnnotation(annotation);
    Class<?> resultType = getResultType(annotation);
    if (resultType.equals(Object.class)) {
        resultType = expressionReturnType;
    }
    XPathBuilder builder = XPathBuilder.xpath(xpath, resultType);
    NamespacePrefix[] namespaces = getExpressionNameSpacePrefix(annotation);
    if (namespaces != null) {
        for (NamespacePrefix namespacePrefix : namespaces) {
            builder = builder.namespace(namespacePrefix.prefix(), namespacePrefix.uri());
        }
    }
    // Set the header name that we want the XPathBuilder to apply the XPath expression to
    String headerName = getHeaderName(annotation);
    if (ObjectHelper.isNotEmpty(headerName)) {
        builder.setHeaderName(headerName);
    }
    return builder;
}

Example 14 with XPathBuilder

use of org.apache.camel.builder.xml.XPathBuilder in project camel by apache.

the class ExpressionNodeHelper method toExpressionDefinition.

/**
     * Determines which {@link ExpressionDefinition} describes the given predicate best possible.
     * <p/>
     * This implementation will use types such as {@link SimpleExpression}, {@link XPathExpression} etc.
     * if the given predicate is detect as such a type.
     *
     * @param predicate the predicate
     * @return a definition which describes the predicate
     */
public static ExpressionDefinition toExpressionDefinition(Predicate predicate) {
    if (predicate instanceof SimpleBuilder) {
        SimpleBuilder builder = (SimpleBuilder) predicate;
        // we keep the original expression by using the constructor that accepts an expression
        SimpleExpression answer = new SimpleExpression(builder);
        answer.setExpression(builder.getText());
        return answer;
    } else if (predicate instanceof XPathBuilder) {
        XPathBuilder builder = (XPathBuilder) predicate;
        // we keep the original expression by using the constructor that accepts an expression
        XPathExpression answer = new XPathExpression(builder);
        answer.setExpression(builder.getText());
        return answer;
    } else if (predicate instanceof ValueBuilder) {
        // ValueBuilder wraps the actual predicate so unwrap
        ValueBuilder builder = (ValueBuilder) predicate;
        Expression expression = builder.getExpression();
        if (expression instanceof Predicate) {
            predicate = (Predicate) expression;
        }
    }
    if (predicate instanceof ExpressionDefinition) {
        return (ExpressionDefinition) predicate;
    }
    return new ExpressionDefinition(predicate);
}