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package com.sun.org.apache.xerces.internal.impl.xs.identity;
import com.sun.org.apache.xerces.internal.impl.xpath.XPathException;
import com.sun.org.apache.xerces.internal.impl.xs.util.ShortListImpl;
import com.sun.org.apache.xerces.internal.util.SymbolTable;
import com.sun.org.apache.xerces.internal.xni.NamespaceContext;
import com.sun.org.apache.xerces.internal.xs.ShortList;
import com.sun.org.apache.xerces.internal.xs.XSComplexTypeDefinition;
import com.sun.org.apache.xerces.internal.xs.XSConstants;
import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
/**
* Schema identity constraint field.
*
* @xerces.internal
*
* @author Andy Clark, IBM
* @version $Id: Field.java,v 1.6 2010-11-01 04:39:57 joehw Exp $
*/
public class Field {
//
// Data
//
/** Field XPath. */
protected Field.XPath fXPath;
/** Identity constraint. */
protected IdentityConstraint fIdentityConstraint;
//
// Constructors
//
/** Constructs a field. */
public Field(Field.XPath xpath,
IdentityConstraint identityConstraint) {
fXPath = xpath;
fIdentityConstraint = identityConstraint;
} // (Field.XPath,IdentityConstraint)
//
// Public methods
//
/** Returns the field XPath. */
public com.sun.org.apache.xerces.internal.impl.xpath.XPath getXPath() {
return fXPath;
} // getXPath():com.sun.org.apache.xerces.internal.impl.v1.schema.identity.XPath
/** Returns the identity constraint. */
public IdentityConstraint getIdentityConstraint() {
return fIdentityConstraint;
} // getIdentityConstraint():IdentityConstraint
// factory method
/** Creates a field matcher. */
public XPathMatcher createMatcher(FieldActivator activator, ValueStore store) {
return new Field.Matcher(fXPath, activator, store);
} // createMatcher(ValueStore):XPathMatcher
//
// Object methods
//
/** Returns a string representation of this object. */
public String toString() {
return fXPath.toString();
} // toString():String
//
// Classes
//
/**
* Field XPath.
*
* @author Andy Clark, IBM
*/
public static class XPath
extends com.sun.org.apache.xerces.internal.impl.xpath.XPath {
//
// Constructors
//
/** Constructs a field XPath expression. */
public XPath(String xpath,
SymbolTable symbolTable,
NamespaceContext context) throws XPathException {
// NOTE: We have to prefix the field XPath with "./" in
// order to handle selectors such as "@attr" that
// select the attribute because the fields could be
// relative to the selector element. -Ac
// Unless xpath starts with a descendant node -Achille Fokoue
// ... or a / or a . - NG
super(((xpath.trim().startsWith("/") ||xpath.trim().startsWith("."))?
xpath:"./"+xpath),
symbolTable, context);
// verify that only one attribute is selected per branch
for (int i=0;i(String,SymbolTable,NamespacesContext)
} // class XPath
/**
* Field matcher.
*
* @author Andy Clark, IBM
*/
protected class Matcher
extends XPathMatcher {
//
// Data
//
/** Field activator. */
protected FieldActivator fFieldActivator;
/** Value store for data values. */
protected ValueStore fStore;
//
// Constructors
//
/** Constructs a field matcher. */
public Matcher(Field.XPath xpath, FieldActivator activator, ValueStore store) {
super(xpath);
fFieldActivator = activator;
fStore = store;
} // (Field.XPath,ValueStore)
//
// XPathHandler methods
//
/**
* This method is called when the XPath handler matches the
* XPath expression.
*/
protected void matched(Object actualValue, short valueType, ShortList itemValueType, boolean isNil) {
super.matched(actualValue, valueType, itemValueType, isNil);
if(isNil && (fIdentityConstraint.getCategory() == IdentityConstraint.IC_KEY)) {
String code = "KeyMatchesNillable";
fStore.reportError(code, new Object[]{fIdentityConstraint.getElementName()});
}
fStore.addValue(Field.this, actualValue, convertToPrimitiveKind(valueType), convertToPrimitiveKind(itemValueType));
// once we've stored the value for this field, we set the mayMatch
// member to false so that, in the same scope, we don't match any more
// values (and throw an error instead).
fFieldActivator.setMayMatch(Field.this, Boolean.FALSE);
} // matched(String)
private short convertToPrimitiveKind(short valueType) {
/** Primitive datatypes. */
if (valueType <= XSConstants.NOTATION_DT) {
return valueType;
}
/** Types derived from string. */
if (valueType <= XSConstants.ENTITY_DT) {
return XSConstants.STRING_DT;
}
/** Types derived from decimal. */
if (valueType <= XSConstants.POSITIVEINTEGER_DT) {
return XSConstants.DECIMAL_DT;
}
/** Other types. */
return valueType;
}
private ShortList convertToPrimitiveKind(ShortList itemValueType) {
if (itemValueType != null) {
int i;
final int length = itemValueType.getLength();
for (i = 0; i < length; ++i) {
short type = itemValueType.item(i);
if (type != convertToPrimitiveKind(type)) {
break;
}
}
if (i != length) {
final short [] arr = new short[length];
for (int j = 0; j < i; ++j) {
arr[j] = itemValueType.item(j);
}
for(; i < length; ++i) {
arr[i] = convertToPrimitiveKind(itemValueType.item(i));
}
return new ShortListImpl(arr, arr.length);
}
}
return itemValueType;
}
protected void handleContent(XSTypeDefinition type, boolean nillable, Object actualValue, short valueType, ShortList itemValueType) {
if (type == null ||
type.getTypeCategory() == XSTypeDefinition.COMPLEX_TYPE &&
((XSComplexTypeDefinition) type).getContentType()
!= XSComplexTypeDefinition.CONTENTTYPE_SIMPLE) {
// the content must be simpleType content
fStore.reportError( "cvc-id.3", new Object[] {
fIdentityConstraint.getName(),
fIdentityConstraint.getElementName()});
}
fMatchedString = actualValue;
matched(fMatchedString, valueType, itemValueType, nillable);
} // handleContent(XSElementDecl, String)
} // class Matcher
} // class Field