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/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.wsdl.validation.internal.wsdl11.xsd;
import java.io.IOException;
import java.io.StringReader;
import java.util.Hashtable;
import java.util.Set;
import org.apache.xerces.xni.XMLResourceIdentifier;
import org.apache.xerces.xni.XNIException;
import org.apache.xerces.xni.parser.XMLEntityResolver;
import org.apache.xerces.xni.parser.XMLInputSource;
/**
* An XMLEntityResolver that allows inline schemas to resolve each other through imports.
*/
public class InlineXSDResolver implements XMLEntityResolver
{
public static final String INLINE_SCHEMA_ID = "#inlineschema";
protected final String FILE_PREFIX = "file:";
protected final String XMLNS = "xmlns";
protected Hashtable entities = new Hashtable();
// protected String refLocation = null;
protected XMLEntityResolver externalResolver = null;
protected XMLInputSource referringSchemaInputSource = null;
protected String referringSchemaNamespace = null;
/**
* Constuctor.
*/
public InlineXSDResolver()
{
}
/* (non-Javadoc)
* @see org.apache.xerces.xni.parser.XMLEntityResolver#resolveEntity(org.apache.xerces.xni.XMLResourceIdentifier)
*/
public XMLInputSource resolveEntity(XMLResourceIdentifier resourceIdentifier)
throws XNIException, IOException {
String systemId = resourceIdentifier.getExpandedSystemId();
String publicId = resourceIdentifier.getPublicId();
String namespace = resourceIdentifier.getNamespace();
XMLInputSource is = null;
String schema = null;
if (systemId == null)
{
if(publicId == null)
{
if(namespace == null)
{
return null;
}
else
{
systemId = namespace;
}
}
else
{
systemId = publicId;
}
}
if(referringSchemaNamespace != null && referringSchemaNamespace.equals(systemId))
{
if(referringSchemaInputSource!=null)
{
return referringSchemaInputSource;
}
}
else if ((schema = (String) entities.get(systemId)) != null && !schema.equals(""))
{
is = new XMLInputSource(publicId, referringSchemaInputSource.getSystemId() + INLINE_SCHEMA_ID, null, new StringReader(schema),null);
}
//if(is == null)
//{
// throw new IOException();
//}
return is;
}
/**
* Add an inline schema.
*
* @param targetNamespace - the target namespace of the schema
* @param schema - a string representation of the schema
*/
public void add(String targetNamespace, String schema)
{
entities.put(targetNamespace, schema);
}
/**
* Add the referring inline schema.
*
* @param inputSource - a representation of the inline schema
* @param namespace - the namespace of the inline schema
*/
public void addReferringSchema(XMLInputSource inputSource, String namespace)
{
referringSchemaInputSource = inputSource;
referringSchemaNamespace = namespace;
}
/**
* Return true if the namespace corresponds to an inline schema, false otherwise.
*
* @param namespace The namespace of the schema.
* @return True if the namespace corresponds to an inline schema, false otherwise.
*/
public boolean isInlineSchema(String namespace)
{
return entities.containsKey(namespace);
}
/**
* Get the set of the inline schema namespaces.
*
* @return The set of the inline schema namespaces.
*/
public Set getInlineSchemaNSs()
{
return entities.keySet();
}
}
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