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Java Item类代码示例

本文整理汇总了Java中net.sf.saxon.om.Item的典型用法代码示例。如果您正苦于以下问题:Java Item类的具体用法?Java Item怎么用?Java Item使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


Item类属于net.sf.saxon.om包,在下文中一共展示了Item类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: isXpathQueryMatching

import net.sf.saxon.om.Item; //导入依赖的package包/类
/**
 * Is matching by xpath query.
 * @param event event
 * @return true is matching
 */
private boolean isXpathQueryMatching(TreeWalkerAuditEvent event) {
    boolean isMatching;
    if (xpathExpression == null) {
        isMatching = true;
    }
    else {
        isMatching = false;
        final List<Item> items = getItems(event);
        for (Item item : items) {
            final AbstractNode abstractNode = (AbstractNode) item;
            isMatching = abstractNode.getTokenType() == event.getTokenType()
                    && abstractNode.getLineNumber() == event.getLine()
                    && abstractNode.getColumnNumber() == event.getColumnCharIndex();
            if (isMatching) {
                break;
            }
        }
    }
    return isMatching;
}
 
开发者ID:rnveach,项目名称:checkstyle-backport-jre6,代码行数:26,代码来源:XpathFilter.java

示例2: getItems

import net.sf.saxon.om.Item; //导入依赖的package包/类
/**
 * Returns list of nodes matching xpath expression given event.
 * @param event {@code TreeWalkerAuditEvent} object
 * @return list of nodes matching xpath expression given event
 */
private List<Item> getItems(TreeWalkerAuditEvent event) {
    final RootNode rootNode;
    if (event.getRootAst() == null) {
        rootNode = null;
    }
    else {
        rootNode = new RootNode(event.getRootAst());
    }
    final List<Item> items;
    try {
        final XPathDynamicContext xpathDynamicContext =
                xpathExpression.createDynamicContext(rootNode);
        items = xpathExpression.evaluate(xpathDynamicContext);
    }
    catch (XPathException ex) {
        throw new IllegalStateException("Cannot initialize context and evaluate query: "
                + xpathQuery, ex);
    }
    return items;
}
 
开发者ID:rnveach,项目名称:checkstyle-backport-jre6,代码行数:26,代码来源:XpathFilter.java

示例3: testQueryAllMethodDefinitionsInContext

import net.sf.saxon.om.Item; //导入依赖的package包/类
@Test
public void testQueryAllMethodDefinitionsInContext() throws Exception {
    final String objectXpath = "/CLASS_DEF[@text='InputXpathMapperAst']//OBJBLOCK";
    final RootNode rootNode = getRootNode("InputXpathMapperAst.java");
    final List<Item> objectNodes = getXpathItems(objectXpath, rootNode);
    assertEquals("Invalid number of nodes", 1, objectNodes.size());
    final AbstractNode objNode = (AbstractNode) objectNodes.get(0);
    final String methodsXpath = "METHOD_DEF";
    final List<Item> methodsNodes = getXpathItems(methodsXpath, objNode);
    assertEquals("Invalid number of nodes", 2, methodsNodes.size());
    final DetailAST[] actual = convertToArray(methodsNodes);
    final DetailAST expectedMethodDefNode = getSiblingByType(rootNode.getUnderlyingNode(),
            TokenTypes.CLASS_DEF)
            .findFirstToken(TokenTypes.OBJBLOCK)
            .findFirstToken(TokenTypes.METHOD_DEF);
    final DetailAST[] expected = {expectedMethodDefNode,
        expectedMethodDefNode.getNextSibling()};
    assertArrayEquals("Result nodes differ from expected", expected, actual);
}
 
开发者ID:rnveach,项目名称:checkstyle-backport-jre6,代码行数:20,代码来源:XpathMapperTest.java

示例4: iterate

import net.sf.saxon.om.Item; //导入依赖的package包/类
public SequenceIterator iterate(XPathContext context) throws XPathException {
  final SequenceIterator iterator = myVariable.iterate(context);
  if (iterator instanceof EmptyIterator) {
    final ValueRepresentation value = myVariable.evaluateVariable(context);
    if (value instanceof Item) {
      return SingletonIterator.makeIterator((Item)value);
    } else if (value instanceof net.sf.saxon.value.Value) {
      return ((net.sf.saxon.value.Value)value).iterate();
    } else {
      return iterator;
    }
  } else {
    return iterator;
  }
}
 
开发者ID:jskierbi,项目名称:intellij-ce-playground,代码行数:16,代码来源:Saxon9StyleFrame.java

示例5: makeCallExpression

import net.sf.saxon.om.Item; //导入依赖的package包/类
@Override
public ExtensionFunctionCall makeCallExpression() {
    return new ExtensionFunctionCall() {
        private static final long serialVersionUID = 1L;

        @Override
        public Sequence call(XPathContext xPathContext, Sequence[] arguments) throws XPathException {
            // 1st argument (mandatory, index 0)
            StringValue arg1 = (StringValue) arguments[0].iterate().next();
            String arg1Str = arg1.getStringValue();

            // 2nd argument (optional, index 1)
            String arg2Str = "";
            if (arguments.length > 1) {
                StringValue arg2 = (StringValue) arguments[1].iterate().next();
                arg2Str = arg2.getStringValue();
            }

            // Functionality goes here
            String resultStr = arg1Str + arg2Str;

            Item result = new StringValue(resultStr);
            return SequenceTool.toLazySequence(SingletonIterator.makeIterator(result));
        }
    };
}
 
开发者ID:HydAu,项目名称:Camel,代码行数:27,代码来源:MyExtensionFunction2.java

示例6: makeCallExpression

import net.sf.saxon.om.Item; //导入依赖的package包/类
@Override
public ExtensionFunctionCall makeCallExpression() {
    return new ExtensionFunctionCall() {
        private static final long serialVersionUID = 1L;

        @Override
        public Sequence call(XPathContext xPathContext, Sequence[] arguments) throws XPathException {
            // 1st argument (mandatory, index 0)
            Int64Value arg1 = (Int64Value) arguments[0].iterate().next();
            int arg1Int = arg1.getDecimalValue().toBigInteger().intValue();

            // 2nd argument (mandatory, index 1)
            Int64Value arg2 = (Int64Value) arguments[1].iterate().next();
            int arg2Int = arg2.getDecimalValue().toBigInteger().intValue();

            // Functionality goes here
            int resultInt = arg1Int + arg2Int;

            Item result = new Int64Value(resultInt);
            return SequenceTool.toLazySequence(SingletonIterator.makeIterator(result));
        }
    };
}
 
开发者ID:HydAu,项目名称:Camel,代码行数:24,代码来源:MyExtensionFunction1.java

示例7: makeCallExpression

import net.sf.saxon.om.Item; //导入依赖的package包/类
@Override
public ExtensionFunctionCall makeCallExpression() {
    return new ExtensionFunctionCall() {

        private static final long serialVersionUID = 1L;

        @Override
        public Sequence call(XPathContext xPathContext, Sequence[] sequences) throws XPathException {
            // get value of first arg passed to the function
            Item arg1 = sequences[0].head();
            String arg1Val = arg1.getStringValue();

            // return a altered version of the first arg
            return new StringValue("arg1[" + arg1Val + "]");
        }
    };
}
 
开发者ID:HydAu,项目名称:Camel,代码行数:18,代码来源:XQueryWithExtensionTest.java

示例8: getStringValueOrNull

import net.sf.saxon.om.Item; //导入依赖的package包/类
static String getStringValueOrNull(Sequence[] pArguments, int pIndex, String pFunctionName, boolean pStrict)
throws XPathException {
  String lResult = null;
  if(pArguments.length > pIndex) {
    Item lItem = pArguments[pIndex].head();
    if(!(lItem instanceof StringValue) && pStrict) {
      throw new ExInternal("Argument " + (pIndex+1) + " to " + pFunctionName + " function must be a string.");
    }

    if(lItem != null) {
      lResult = lItem.getStringValue();
    }
  }
  return lResult;
}
 
开发者ID:Fivium,项目名称:FOXopen,代码行数:16,代码来源:FunctionUtils.java

示例9: getBooleanValue

import net.sf.saxon.om.Item; //导入依赖的package包/类
/**
 * Gets a boolean value from the given index of the argument array. Atomic values are asked for their effective boolean
 * value; node values are assumed to be true. Empty sequences return false.
 * @param pArguments Function arguments.
 * @param pIndex Index of the array to inspect.
 * @return Boolean value of the argument.
 * @throws XPathException
 */
static boolean getBooleanValue(Sequence[] pArguments, int pIndex)
throws XPathException {
  if(pArguments.length > pIndex) {
    Item lItem = pArguments[pIndex].head();

    if(lItem == null) {
      return false;
    }

    if(lItem instanceof AtomicValue) {
      return ((AtomicValue) lItem).effectiveBooleanValue();
    }
    else {
      //Assume a node which exists and is therefore true
      return true;
    }
  }
  else {
    return false;
  }
}
 
开发者ID:Fivium,项目名称:FOXopen,代码行数:30,代码来源:FunctionUtils.java

示例10: getIntegerValueOrNull

import net.sf.saxon.om.Item; //导入依赖的package包/类
/**
 * Gets an integer value from the given index of the argument array. If no item is found, null is returned. Otherwise
 * the item is assumed to be a NumericValue and is converted to an integer (decimal values are rounded to the nearest
 * integer).
 * @param pArguments Function arguments.
 * @param pIndex Index of the array to inspect.
 * @return Integer value at the given index, or null.
 * @throws XPathException
 */
static Integer getIntegerValueOrNull(Sequence[] pArguments, int pIndex)
throws XPathException {
  if(pArguments.length > pIndex) {
    Item lItem = pArguments[pIndex].head();

    if(lItem == null) {
      return null;
    }
    else {
      return (int) ((NumericValue) lItem).round(0).getDoubleValue();
    }
  }
  else {
    return null;
  }
}
 
开发者ID:Fivium,项目名称:FOXopen,代码行数:26,代码来源:FunctionUtils.java

示例11: getPath

import net.sf.saxon.om.Item; //导入依赖的package包/类
public static Sequence getPath(KeyDefInterface keyDef) {
	if (keyDef != null) {
		List<String> 	path = keyDef.getNamespaceList();
		List<Item> 		list = new LinkedList<>();
		if (path != null) {
			for (String element : path) {
				list.add(new StringValue(element));
			}
		}
		list.add(new StringValue(keyDef.getKey()));
		//logger.info("result: " + keyDef.getNamespace() + " " + keyDef.getKey());
		return new SequenceExtent(list);
	} else {
		//logger.info("result: ()");
		return EmptySequence.getInstance();
	}
}
 
开发者ID:dita-semia,项目名称:dita-semia-resolver,代码行数:18,代码来源:AncestorPathCall.java

示例12: call

import net.sf.saxon.om.Item; //导入依赖的package包/类
@Override
public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException {
	
	final Item contextItem = context.getContextItem();
	if (!(contextItem instanceof NodeInfo)) {
		throw new XPathException("Context item '" + contextItem.getClass() + "'needs to be an instance of NodeInfo.");
	}
	
	final String 			xPath 			= arguments[0].head().getStringValue();
	final SaxonNodeWrapper 	contextNode 	= new SaxonNodeWrapper((NodeInfo)contextItem, otResolver.getXPathCache());
	final String			resolvedXPath	= EmbeddedXPathResolver.resolve(xPath, contextNode);
	
	return new StringValue(resolvedXPath);
}
 
开发者ID:dita-semia,项目名称:dita-semia-resolver,代码行数:15,代码来源:ResolveEmbeddedXPathCall.java

示例13: call

import net.sf.saxon.om.Item; //导入依赖的package包/类
@Override
public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException {

	final SaxonNodeWrapper 	keyRefNode	= new SaxonNodeWrapper((NodeInfo)arguments[0].head(), otResolver.getXPathCache());
	final KeyRef 			keyRef		= KeyRef.fromNode(keyRefNode);
	final Item 				keyDefItem	= arguments[1].head();	

	if ((keyRef == null) || (keyDefItem == null)) {
		return EmptySequence.getInstance();
	} else {
		final KeyDefInterface 	keyDef 			= DitaSemiaOtResolver.getKeyDefFromItem(arguments[1].head());
		final DisplaySuffix		displaySuffix	= keyRef.getDisplaySuffix(keyDef, false);
		final List<Item> 		list 			= new LinkedList<>();
		
		list.add(new StringValue(displaySuffix.keySuffix));
		list.add(new StringValue(displaySuffix.nameSuffix));

		return new SequenceExtent(list);
	}
}
 
开发者ID:dita-semia,项目名称:dita-semia-resolver,代码行数:21,代码来源:GetKeyRefDisplaySuffixCall.java

示例14: serialize

import net.sf.saxon.om.Item; //导入依赖的package包/类
protected void serialize(Sequence seq, OutputStream os, Properties outputProperties) throws XPathException {
  String encoding = "UTF-8";
  if (outputProperties != null) {
    encoding = outputProperties.getProperty("encoding", encoding);
  }
  try {
    SequenceIterator iter = seq.iterate(); 
    Item item;
    while ((item = iter.next()) != null) {
      if (item instanceof NodeInfo) {
        serialize((NodeInfo) item, new StreamResult(os), outputProperties);
      } else {
        new OutputStreamWriter(os, encoding).append(item.getStringValue());
      }
    }
  } catch (Exception e) {
    throw new XPathException(e);
  }
}
 
开发者ID:Armatiek,项目名称:xslweb,代码行数:20,代码来源:ExtensionFunctionCall.java

示例15: sequenceToAttributeCollection

import net.sf.saxon.om.Item; //导入依赖的package包/类
protected Collection<Attribute> sequenceToAttributeCollection(Sequence seq) throws XPathException {
  ArrayList<Attribute> attrs = new ArrayList<Attribute>();
  Item item;
  SequenceIterator iter = seq.iterate();
  while ((item = iter.next()) != null) {                
    Object value;
    String type;
    boolean isSerialized;
    if (item instanceof NodeInfo) {
      value = serialize((NodeInfo) item);
      type = "node()";
      isSerialized = true;
    } else {                             
      value = SequenceTool.convertToJava(item);
      ItemType itemType = Type.getItemType(item, null);
      type = itemType.toString();
      isSerialized = false;
    }
    attrs.add(new Attribute(value, type, isSerialized));
  }
  return attrs;
}
 
开发者ID:Armatiek,项目名称:xslweb,代码行数:23,代码来源:ExtensionFunctionCall.java


注:本文中的net.sf.saxon.om.Item类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。