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/*
* Copyright (c) 2007-2009, 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.schema.codegen.custom;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import org.apache.log4j.Logger;
import org.jibx.runtime.BindingDirectory;
import org.jibx.runtime.IBindingFactory;
import org.jibx.runtime.IUnmarshallingContext;
import org.jibx.runtime.JiBXException;
import org.jibx.schema.elements.SchemaElement;
import org.jibx.schema.validation.ProblemHandler;
import org.jibx.schema.validation.ValidationContext;
import org.jibx.schema.validation.ValidationProblem;
import org.jibx.util.LazyList;
import org.jibx.util.NameUtilities;
import org.jibx.util.StringArray;
/**
* Customization information for a set of schemas.
*
* @author Dennis M. Sosnoski
*/
public class SchemasetCustom extends SchemaRootBase
{
/** Logger for class. */
private static final Logger s_logger = Logger.getLogger(SchemasetCustom.class.getName());
/** Enumeration of allowed attribute names */
public static final StringArray s_allowedAttributes =
new StringArray(new String[] { "names", "namespaces" }, SchemaRootBase.s_allowedAttributes);
//
// Unmarshalled data
/** Schema name patterns. */
private String[] m_names;
/** Schema namespace patterns. */
private String[] m_namespaces;
//
// Instance data
/** Map from schema identifier to customization. */
private final Map m_schemaMap;
/**
* Normal constructor.
*
* @param parent
*/
public SchemasetCustom(SchemasetCustom parent) {
super(parent);
m_schemaMap = new HashMap();
}
/**
* Constructor with single schema customization as content.
*
* @param child
*/
public SchemasetCustom(SchemaCustom child) {
super(null);
child.setParent(this);
getChildren().add(child);
m_schemaMap = new HashMap();
}
/**
* Get schema name match patterns.
*
* @return names (null if not set)
*/
public String[] getNames() {
return m_names;
}
/**
* Make sure all attributes are defined.
*
* @param uctx unmarshalling context
*/
private void preSet(IUnmarshallingContext uctx) {
validateAttributes(uctx, s_allowedAttributes);
}
/**
* Check if a schema is included in this set.
*
* @param name schema file name
* @param schema actual schema
* @return true if in set, false if not
*/
public boolean isInSet(String name, SchemaElement schema) {
// check for match on file name
boolean match = true;
if (m_names != null) {
match = false;
for (int i = 0; i < m_names.length; i++) {
if (NameUtilities.isPatternMatch(name, m_names[i])) {
match = true;
break;
}
}
}
// check for match on effective namespace
if (m_namespaces != null) {
match = false;
String ns = schema.getEffectiveNamespace();
if (ns == null) {
ns = "";
}
for (int i = 0; i < m_namespaces.length; i++) {
if (NameUtilities.isPatternMatch(ns, m_namespaces[i])) {
match = true;
break;
}
}
}
// return 'and' of two tests
return match;
}
/**
* Get existing schema customization information.
*
* @param id schema identifier
* @return customization
*/
public SchemaCustom getCustomization(String id) {
return (SchemaCustom)m_schemaMap.get(id);
}
/**
* Get schema customization information, creating it if it doesn't already exist.
*
* @param name schema file name
* @param id unique identifier for schema
* @param schema actual schema
* @param vctx validation context for reporting errors
* @return customization
*/
public SchemaCustom forceCustomization(String name, String id, SchemaElement schema, ValidationContext vctx) {
SchemaCustom custom = (SchemaCustom)m_schemaMap.get(name);
if (custom == null) {
// check for unique match to schema customization
for (int i = 0; i < getChildren().size(); i++) {
SchemaRootBase child = (SchemaRootBase)getChildren().get(i);
if (child instanceof SchemaCustom && ((SchemaCustom)child).checkMatch(name, schema)) {
if (custom == null) {
custom = (SchemaCustom)child;
} else {
vctx.addError("Multiple matches to schema " + name + " (first match " +
ValidationProblem.componentDescription(custom) + ')', child);
}
}
}
// create default customization if no match found
if (custom == null) {
custom = new SchemaCustom(this);
}
// add customization to map and link to schema
m_schemaMap.put(id, custom);
custom.setSchema(name, schema);
schema.setExtension(custom);
}
return custom;
}
/**
* Factory used during unmarshalling.
*
* @param ictx
* @return instance
*/
private static SchemasetCustom factory(IUnmarshallingContext ictx) {
return new SchemasetCustom((SchemasetCustom)getContainingObject(ictx));
}
/**
* Recursively check that each schema customization has been matched to a schema. A warning is generated for any
* customization without a matching schema.
*
* @param vctx
*/
public void checkSchemas(ValidationContext vctx) {
// check for unique match to schema customization
for (int i = 0; i < getChildren().size(); i++) {
SchemaRootBase child = (SchemaRootBase)getChildren().get(i);
if (child instanceof SchemaCustom) {
SchemaCustom custom = (SchemaCustom)child;
if (custom.getSchema() == null) {
StringBuffer buff = new StringBuffer("No schema loaded for customization");
if (custom.getName() != null) {
buff.append(" with name ");
buff.append(custom.getName());
} else if (custom.getNamespace() != null) {
buff.append(" with namespace ");
buff.append(custom.getNamespace());
}
vctx.addWarning(buff.toString(), custom);
}
} else if (child instanceof SchemasetCustom) {
((SchemasetCustom)child).checkSchemas(vctx);
}
}
}
/**
* Validate and finalize customization information. This override of the base class implementation also invokes the
* same method on any nested schemasets in order to make sure that the type substitution map and active facets mask
* will be available for use by nested schemas.
*
* @param vctx validation context
* @return true if valid, false if not
*/
public boolean validate(ValidationContext vctx) {
boolean valid = super.validate(vctx);
if (valid) {
LazyList children = getChildren();
for (int i = 0; i < children.size(); i++) {
Object child = children.get(i);
if (child instanceof SchemasetCustom) {
if (!((SchemasetCustom)child).validate(vctx)) {
valid = false;
}
}
}
}
return valid;
}
/**
* Load a customizations file. The specified file must exist and have as root element either a <schema-set> or
* <schema> element.
*
* @param path customization file path (null if none)
* @param handler validation problem handler
* @return unmarshalled customizations, or null if errors
* @throws JiBXException
* @throws IOException
*/
public static SchemasetCustom loadCustomizations(String path, ProblemHandler handler)
throws JiBXException, IOException {
// load customizations and check for errors
SchemasetCustom custom = null;
ValidationContext vctx = new ValidationContext();
if (path == null) {
custom = new SchemasetCustom((SchemasetCustom)null);
} else {
// unmarshal either a or element
IBindingFactory fact = BindingDirectory.getFactory(SchemasetCustom.class);
IUnmarshallingContext ictx = fact.createUnmarshallingContext();
FileInputStream is = new FileInputStream(path);
ictx.setDocument(is, null);
ictx.setUserContext(vctx);
Object obj = ictx.unmarshalElement();
if (obj instanceof SchemasetCustom) {
custom = (SchemasetCustom)obj;
} else if (obj instanceof SchemaCustom) {
custom = new SchemasetCustom((SchemaCustom)obj);
} else {
throw new IOException("Customization document root element must be 'schema-set' or 'schema'");
}
}
if (vctx.reportProblems(handler)) {
return null;
}
return custom;
}
}
