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/*
* Copyright (c) 2006-2009, Dennis M. Sosnoski. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following
* disclaimer. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of
* JiBX nor the names of its contributors may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jibx.ws.wsdl.model;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.jibx.binding.model.EmptyArrayList;
import org.jibx.runtime.IMarshallingContext;
import org.jibx.runtime.IUnmarshallingContext;
import org.jibx.runtime.IXMLWriter;
import org.jibx.runtime.JiBXException;
import org.jibx.runtime.impl.GrowableIntArray;
import org.jibx.runtime.impl.GrowableStringArray;
import org.jibx.runtime.impl.UnmarshallingContext;
import org.jibx.schema.validation.ValidationContext;
import org.jibx.util.StringArray;
import org.jibx.util.StringIntSizedMap;
import org.jibx.util.StringSizedSet;
/**
* Base class which provides validation hooks and support for extra namespaces. This base class for WSDL element
* representations is based on the schema data model code.
*
* @author Dennis M. Sosnoski
*/
public abstract class WsdlBase
{
/** Fixed URI for WSDL namespace. */
public static final String WSDL_NAMESPACE_URI = "http://schemas.xmlsoap.org/wsdl/";
/** Fixed URI for SOAP namespace. */
public static final String SOAP_NAMESPACE_URI = "http://schemas.xmlsoap.org/wsdl/soap/";
/** Extension data for application use. */
private Object m_extension;
/** Namespace definitions associated with this element (lazy create, null if unused). */
private List m_namespaces;
/** Documentation for component (lazy create, null if unused). */
private List m_documentation;
/**
* Get extension data. The actual type of object used for extension data (if any) is defined by the application.
*
* @return extension
*/
public Object getExtension() {
return m_extension;
}
/**
* Set extension data. The actual type of object used for extension data (if any) is defined by the application.
*
* @param extension
*/
public void setExtension(Object extension) {
m_extension = extension;
}
/**
* Get namespace declarations list. Entries in this list consist of pairs, consisting of namespace prefix followed
* by namespace URI. The empty string is used as the prefix for the default namespace.
*
* @return extra attribute list
*/
public final List getNamespaceDeclarations() {
if (m_namespaces == null || m_namespaces.size() == 0) {
return EmptyArrayList.INSTANCE;
} else {
return m_namespaces;
}
}
/**
* Clear namespace declarations list.
*/
public final void clearNamespaceDeclarations() {
if (m_namespaces != null) {
m_namespaces.clear();
}
}
/**
* Add namespace declaration.
*
* @param prefix namespace prefix
* @param uri namespace URI
*/
public final void addNamespaceDeclaration(String prefix, String uri) {
if (m_namespaces == null) {
m_namespaces = new ArrayList();
}
m_namespaces.add(prefix);
m_namespaces.add(uri);
}
/**
* Get documentation. This is the content of the optional <documentation> child element, which consists of DOM
* Nodes.
*
* @return documentation (null if no documentation present)
*/
public List getDocumentation() {
return m_documentation;
}
/**
* Set documentation. This is the content of the optional <documentation> child element, which consists of DOM
* Nodes.
*
* @param documentation
*/
public void setDocumentation(List documentation) {
m_documentation = documentation;
}
/**
* Pre-get method to be called by data binding while writing element start tag. The base class implementation just
* writes out any extra namespaces defined on the element. Subclasses which override this implementation must call
* the base implementation during their processing.
*
* @param ictx marshalling context
* @throws JiBXException on marshalling error
*/
protected void preget(IMarshallingContext ictx) throws JiBXException {
writeNamespaces(ictx);
}
/**
* Pre-set method to be called by data binding while parsing element start tag. The base class implementation just
* reads in any extra namespaces defined on the element. Subclasses which override this implementation must call the
* base implementation during their processing.
*
* @param ictx unmarshalling context
* @throws JiBXException on error
*/
protected void preset(IUnmarshallingContext ictx) throws JiBXException {
readNamespaces(ictx);
}
/**
* Validate attributes of element. This is designed to be called during unmarshalling as part of the pre-set method
* processing when a subclass instance is being created. An error is reported if an element in the default namespace
* is not in the declared list,
*
* @param ictx unmarshalling context
* @param other attributes from other namespaces allowed flag
* @param attrs attributes array
* @see #preset(IUnmarshallingContext)
*/
protected void validateAttributes(IUnmarshallingContext ictx, boolean other, StringArray attrs) {
// loop through all attributes of current element
UnmarshallingContext uctx = (UnmarshallingContext)ictx;
for (int i = 0; i < uctx.getAttributeCount(); i++) {
String name = uctx.getAttributeName(i);
String ns = uctx.getAttributeNamespace(i);
if (ns == null || ns.length() == 0) {
// check if no-namespace attribute in allowed set
if (attrs.indexOf(name) < 0) {
ValidationContext vctx = (ValidationContext)ictx.getUserContext();
vctx.addError("Undefined attribute " + name, ictx.getStackTop());
}
} else if (WSDL_NAMESPACE_URI.equals(ns)) {
// no unknown attributes from definition namespace are defined
ValidationContext vctx = (ValidationContext)ictx.getUserContext();
vctx.addError("Undefined attribute " + name, ictx.getStackTop());
} else if (!other) {
// warn on non-WSDL attribute present where forbidden
ValidationContext vctx = (ValidationContext)ictx.getUserContext();
String qname = UnmarshallingContext.buildNameString(ns, name);
vctx.addWarning("Non-WSDL attribute not allowed " + qname, ictx.getStackTop());
}
}
}
/**
* Collect namespace declarations from element. This is designed to be called during unmarshalling as part of the
* pre-set method processing when a subclass instance is being created.
*
* @param ictx unmarshalling context
*/
protected void readNamespaces(IUnmarshallingContext ictx) {
UnmarshallingContext ctx = (UnmarshallingContext)ictx;
int count = ctx.getNamespaceCount();
if (count > 0) {
m_namespaces = new ArrayList();
for (int i = 0; i < count; i++) {
String pref = ctx.getNamespacePrefix(i);
if (pref == null) {
pref = "";
}
m_namespaces.add(pref);
m_namespaces.add(ctx.getNamespaceUri(i));
}
} else {
m_namespaces = null;
}
}
/**
* Create a unique prefix. If the requested prefix is already in use, this modifies the prefix by appending a
* numeric suffix to create a unique variant.
*
* @param pref requested prefix
* @param prefixes prefixes in use
* @return unique prefix
*/
private String makeUniquePrefix(String pref, StringSizedSet prefixes) {
int loop = 0;
while (prefixes.contains(pref)) {
pref = pref + loop;
}
prefixes.add(pref);
return pref;
}
/**
* Write namespace declarations to element. This is designed to be called during marshalling as part of the pre-get
* method processing when a subclass instance is being marshalled.
*
* @param ictx marshalling context
* @throws JiBXException on error writing
*/
protected void writeNamespaces(IMarshallingContext ictx) throws JiBXException {
if (m_namespaces != null) {
try {
// build sets of namespace uris and prefixes
IXMLWriter writer = ictx.getXmlWriter();
int curcnt = writer.getNamespaceCount();
StringIntSizedMap uriindexes = new StringIntSizedMap(curcnt);
int defcnt = m_namespaces.size() / 2;
StringSizedSet prefixes = new StringSizedSet(curcnt + defcnt);
for (int i = 0; i < curcnt; i++) {
uriindexes.add(writer.getNamespaceUri(i), i);
String prefix = writer.getNamespacePrefix(i);
if (prefix != null && prefix.length() > 0) {
prefixes.add(prefix);
}
}
// check namespace declarations on this element against writer state
List uris = new ArrayList();
GrowableIntArray indexes = new GrowableIntArray();
GrowableStringArray prefs = new GrowableStringArray();
int base = writer.getNamespaceCount();
for (int i = 0; i < defcnt; i++) {
String pref = (String)m_namespaces.get(i * 2);
String uri = (String)m_namespaces.get(i * 2 + 1);
int index = uriindexes.get(uri);
if (index >= 0) {
if (writer.getNamespacePrefix(index) == null) {
indexes.add(index);
prefs.add(makeUniquePrefix(pref, prefixes));
}
} else {
indexes.add(base + uris.size());
prefs.add(makeUniquePrefix(pref, prefixes));
uris.add(uri);
}
}
// add the namespace declarations to current element
writer.pushExtensionNamespaces((String[])uris.toArray(new String[uris.size()]));
writer.openNamespaces(indexes.toArray(), prefs.toArray());
for (int i = 0; i < prefs.size(); i++) {
String prefix = prefs.get(i);
String name = prefix.length() > 0 ? "xmlns:" + prefix : "xmlns";
writer.addAttribute(0, name, writer.getNamespaceUri(indexes.get(i)));
}
} catch (IOException e) {
throw new JiBXException("Error writing output document", e);
}
}
}
/**
* Prevalidate component information. The prevalidation step is used to check isolated aspects of a component, such
* as the settings for enumerated values. This empty base class implementation should be overridden by each subclass
* that requires prevalidation handling.
*
* @param vctx validation context
*/
public void prevalidate(ValidationContext vctx) {}
/**
* Validate component information. The validation step is used for checking the interactions between components,
* such as name references to other components. The {@link #prevalidate} method will always be called for every
* component in the schema definition before this method is called for any component. This empty base class
* implementation should be overridden by each subclass that requires validation handling.
*
* @param vctx validation context
*/
public void validate(ValidationContext vctx) {}
}
