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/*
* Copyright (c) 2001-2004 World Wide Web Consortium, (Massachusetts Institute of
* Technology, Institut National de Recherche en Informatique et en
* Automatique, Keio University). All Rights Reserved. This program is
* distributed under the W3C's Software Intellectual Property License. This
* program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See W3C License
* http://www.w3.org/Consortium/Legal/ for more details.
*/
package org.w3c.domts;
import java.lang.reflect.Method;
import javax.xml.parsers.DocumentBuilderFactory;
/**
* This class is a strategy that provides the mapping from an abstract setting
* (such as DocumentBuilderSetting.validating) to a specific DOM implementation
*
* @author Curt Arnold @date 2 Feb 2002
*/
public abstract class DocumentBuilderSettingStrategy {
protected DocumentBuilderSettingStrategy() {
}
private static final String JAXP_SCHEMA_LANGUAGE =
"http://java.sun.com/xml/jaxp/properties/schemaLanguage";
private static final String W3C_XML_SCHEMA =
"http://www.w3.org/2001/XMLSchema";
public boolean hasConflict(DocumentBuilderSettingStrategy other) {
return (other == this);
}
public abstract void applySetting(
DocumentBuilderFactory factory,
boolean value) throws DOMTestIncompatibleException;
public abstract boolean hasSetting(DOMTestDocumentBuilderFactory factory);
public static final DocumentBuilderSettingStrategy coalescing =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value)
throws DOMTestIncompatibleException {
factory.setCoalescing(value);
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return factory.isCoalescing();
}
};
public static final DocumentBuilderSettingStrategy
expandEntityReferences =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value)
throws DOMTestIncompatibleException {
factory.setExpandEntityReferences(value);
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return factory.isExpandEntityReferences();
}
};
public static final DocumentBuilderSettingStrategy
ignoringElementContentWhitespace =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value)
throws DOMTestIncompatibleException {
factory.setIgnoringElementContentWhitespace(value);
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return factory.isIgnoringElementContentWhitespace();
}
};
public static final DocumentBuilderSettingStrategy ignoringComments =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value)
throws DOMTestIncompatibleException {
if (value) {
throw new DOMTestIncompatibleException(
new Exception("ignoreComments=true not supported"),
DocumentBuilderSetting.ignoringComments);
}
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return false;
}
};
public static final DocumentBuilderSettingStrategy namespaceAware =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value) throws
DOMTestIncompatibleException {
factory.setNamespaceAware(value);
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return factory.isNamespaceAware();
}
};
public static final DocumentBuilderSettingStrategy validating =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value) throws
DOMTestIncompatibleException {
factory.setValidating(value);
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return factory.isValidating();
}
};
public static final DocumentBuilderSettingStrategy signed =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value) throws
DOMTestIncompatibleException {
if (!value) {
throw new DOMTestIncompatibleException(
null,
DocumentBuilderSetting.notSigned);
}
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return true;
}
};
public static final DocumentBuilderSettingStrategy hasNullString =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value) throws
DOMTestIncompatibleException {
if (!value) {
throw new DOMTestIncompatibleException(
null,
DocumentBuilderSetting.notHasNullString);
}
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
return true;
}
};
public static final DocumentBuilderSettingStrategy schemaValidating =
new DocumentBuilderSettingStrategy() {
public void applySetting(DocumentBuilderFactory factory, boolean value) throws
DOMTestIncompatibleException {
if (value) {
factory.setNamespaceAware(true);
factory.setValidating(true);
factory.setAttribute(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);
}
else {
factory.setAttribute(JAXP_SCHEMA_LANGUAGE,
"http://www.w3.org/TR/REC-xml");
}
}
public boolean hasSetting(DOMTestDocumentBuilderFactory factory) {
try {
if (factory.isValidating()) {
Method getAttrMethod = factory.getClass().getMethod("getAttribute",
new Class[] {String.class});
String val = (String) getAttrMethod.invoke(factory,
new Object[] {JAXP_SCHEMA_LANGUAGE});
return W3C_XML_SCHEMA.equals(val);
}
}
catch (Exception ex) {
}
return false;
}
//
// schema validating conflicts with namespaceAware
// and validating
//
public boolean hasConflict(DocumentBuilderSettingStrategy other) {
if (other == this ||
other == DocumentBuilderSettingStrategy.namespaceAware ||
other == DocumentBuilderSettingStrategy.validating) {
return true;
}
return false;
}
};
}
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