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/*
* Copyright (c) 2007-2010, 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.binding.generator;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.jibx.binding.model.BindingElement;
import org.jibx.binding.model.BindingHolder;
import org.jibx.binding.model.BindingOrganizer;
import org.jibx.binding.model.CollectionElement;
import org.jibx.binding.model.ElementBase;
import org.jibx.binding.model.FormatElement;
import org.jibx.binding.model.MappingElement;
import org.jibx.binding.model.MappingElementBase;
import org.jibx.binding.model.NestingElementBase;
import org.jibx.binding.model.StructureElement;
import org.jibx.binding.model.StructureElementBase;
import org.jibx.binding.model.ValidationContext;
import org.jibx.binding.model.ValueElement;
import org.jibx.custom.classes.ClassCustom;
import org.jibx.custom.classes.GlobalCustom;
import org.jibx.custom.classes.ValueCustom;
import org.jibx.custom.classes.NestingBase;
import org.jibx.custom.classes.PackageCustom;
import org.jibx.runtime.JiBXException;
import org.jibx.runtime.QName;
import org.jibx.runtime.Utility;
import org.jibx.schema.generator.SchemaGen;
import org.jibx.util.IClass;
import org.jibx.util.IClassLocator;
import org.jibx.util.ReferenceCountMap;
import org.jibx.util.Types;
import org.jibx.util.UniqueNameSet;
/**
* Binding generator implementation. Although many of the methods in this class use public access, they are
* intended for use only by the JiBX developers and may change from one release to the next. To make use of this class
* from your own code, call the {@link #main(String[])} method with an appropriate argument list.
*
* @author Dennis M. Sosnoski
*/
public class BindGen
{
/** Binding generation customizations. */
private final GlobalCustom m_global;
/** Set of class names to be included. */
private final Set m_includeSet;
/** Set of class names to be ignored. */
private final Set m_ignoreSet;
/** Set of class names to be handled directly. */
private final Set m_directSet;
/** Set of class names subclassed by other classes in binding. */
private final Set m_superSet;
/** Set of class names possibly requiring format definitions. */
private final Set m_formatSet;
/** Map from fully-qualified class name to mapping details. */
private final Map m_mappingDetailsMap;
/** Map from namespace URI to {@link UniqueNameSet} for type names. */
private final Map m_typeNamesMap;
/** Map from namespace URI to {@link UniqueNameSet} for element names. */
private final Map m_elementNamesMap;
/** Target package for binding code generation. */
private String m_targetPackage;
/** Directory for bindings being built. */
private BindingOrganizer m_directory;
/**
* Create a generator based on a particular set of customizations.
*
* @param glob Customizations
*/
public BindGen(GlobalCustom glob) {
m_global = glob;
m_includeSet = new HashSet();
m_ignoreSet = new HashSet();
m_directSet = new HashSet();
m_superSet = new HashSet();
m_formatSet = new HashSet();
m_mappingDetailsMap = new HashMap();
m_typeNamesMap = new HashMap();
m_elementNamesMap = new HashMap();
m_directory = new BindingOrganizer(glob.isForceClasses(), glob.isTrackSource(), glob.isAddConstructors(),
glob.isInput(), glob.isOutput(), false);
}
/**
* Check if a class represents a simple value. TODO: implement ClassCustom hooks for this purpose
*
* @param type fully qualified class name
* @return true if simple value, false if not
*/
public boolean isValueClass(String type) {
ClassCustom clas = m_global.addClassCustomization(type);
if (clas.isSimpleValue()) {
m_formatSet.add(type);
return true;
}
IClass sinfo = clas.getClassInformation().getSuperClass();
if (sinfo != null && "java.lang.Enum".equals(sinfo.getName())) {
return true;
} else {
return false;
}
}
/**
* Check if a class needs to be included in the binding. This checks all members of the class and if necessary
* superclasses, returning true if any member is ultimately found with a simple value.
*
* @param type fully qualified class name
* @return true if class to be included in binding, false if it should be skipped
*/
public boolean checkInclude(String type) {
if (m_includeSet.contains(type)) {
return true;
} else if (m_ignoreSet.contains(type)) {
return false;
} else {
// check if any members are to be included
boolean include = false;
ClassCustom clas = m_global.addClassCustomization(type);
if (clas.isSimpleValue()) {
include = true;
} else {
// check each member to find anything to be included
for (Iterator iter = clas.getMembers().iterator(); iter.hasNext();) {
ValueCustom memb = (ValueCustom)iter.next();
String mtype = memb.isCollection() ? memb.getItemType() : memb.getWorkingType();
if (Types.isSimpleValue(mtype) || isValueClass(mtype) || !m_global.isKnownMapping(mtype)
|| checkInclude(mtype)) {
include = true;
break;
}
}
}
if (!include) {
// force superclass handling if appropriate
if (clas.getMembers().size() > 0 && clas.isUseSuper()) {
String stype = clas.getClassInformation().getSuperClass().getName();
if (!"java.lang.Object".equals(stype) && checkInclude(stype)) {
include = true;
}
}
}
if (include) {
m_includeSet.add(type);
} else {
m_ignoreSet.add(type);
}
return include;
}
}
/**
* Expand all references from a class. This checks the types of all members of the class, counting references and
* calling itself recursively for any types which are not primitives and not java.* or javax.* classes. It also
* expands the superclass, if specified by the class customizations.
*
* @param type fully qualified class name
* @param refmap reference count map
*/
public void expandReferences(String type, ReferenceCountMap refmap) {
if (checkInclude(type)) {
// skip any member processing if a simple value
ClassCustom clas = m_global.addClassCustomization(type);
if (clas.isSimpleValue()) {
return;
}
// increment reference count if forced mapping requested for class
if (clas.isForceMapping() || clas.isAbstractMappingForced() || clas.isConcreteMappingForced()) {
refmap.incrementCount(type);
}
// expand all references from members
for (Iterator iter = clas.getMembers().iterator(); iter.hasNext();) {
ValueCustom memb = (ValueCustom)iter.next();
String mtype = memb.isCollection() ? memb.getItemType() : memb.getWorkingType();
if (!Types.isSimpleValue(mtype) && !isValueClass(mtype) && !m_global.isKnownMapping(mtype)) {
if ((mtype.startsWith("java.")) || (mtype.startsWith("javax."))) {
throw new IllegalStateException("No way to handle type " + mtype + ", referenced from " + type);
} else if (checkInclude(mtype)) {
if (refmap.incrementCount(mtype) <= 1) {
expandReferences(mtype, refmap);
}
m_directSet.add(mtype);
}
}
}
// force superclass handling if appropriate
if (clas.getMembers().size() > 0 && clas.isUseSuper()) {
String stype = clas.getClassInformation().getSuperClass().getName();
if (!"java.lang.Object".equals(stype) && !Types.isSimpleValue(stype) && !isValueClass(stype)
&& !m_global.isKnownMapping(stype) && checkInclude(stype)) {
if (refmap.incrementCount(stype) <= 1) {
expandReferences(stype, refmap);
}
m_superSet.add(stype);
}
}
}
}
/**
* Set creation information for structure binding component. This includes the declared type, as well as the create
* type and factory method.
*
* @param memb
* @param struct
*/
private void setTypes(ValueCustom memb, StructureElementBase struct) {
String type = memb.getActualType();
if (type != null && !type.equals(memb.getStatedType())) {
struct.setDeclaredType(type);
}
struct.setCreateType(memb.getCreateType());
struct.setFactoryName(memb.getFactoryMethod());
}
/**
* Define the details of a collection binding. Collection bindings may be empty (in the case where the item type is
* directly mapped), have a <value> child element, or have either a mapping reference or direct definition
* <structure$gt; child element. This determines the appropriate form based on the item type.
*
* @param itype item type
* @param iname item name
* @param coll Collection
* @param hold Binding Holder
*/
public void defineCollection(String itype, String iname, CollectionElement coll, BindingHolder hold) {
// check item type handling
BindingMappingDetail detail = (BindingMappingDetail)m_mappingDetailsMap.get(itype);
ClassCustom custom = m_global.getClassCustomization(itype);
if (detail != null) {
if (detail.isUseAbstract() && !detail.isExtended()) {
// add with map-as for abstract mapping
QName qname = detail.getTypeQName();
if (iname == null) {
iname = custom.getElementName();
}
StructureElement struct = new StructureElement();
if (qname == null) {
struct.setMapAsName(itype);
} else {
// set the type reference and namespace dependency
String uri = qname.getUri();
hold.addTypeNameReference(uri, uri);
struct.setMapAsQName(qname);
}
struct.setName(iname);
hold.addNamespaceUsage(hold.getNamespace());
struct.setCreateType(custom.getCreateType());
struct.setFactoryName(custom.getFactoryMethod());
coll.addChild(struct);
} else {
// just set item-type for concrete mapping
coll.setItemTypeName(itype);
}
} else if (m_global.isKnownMapping(itype)) {
// just set item-type for known mapping
coll.setItemTypeName(itype);
} else if (Types.isSimpleValue(itype) || isValueClass(itype)) {
// add for simple type, or enum type with optional value method
ValueElement value = new ValueElement();
value.setName(iname);
value.setDeclaredType(itype);
coll.addChild(value);
if (custom != null) {
value.setDefaultText(custom.getEnumValueMethod());
}
} else {
// embed structure definition within the collection
StructureElement struct = new StructureElement();
struct.setDeclaredType(itype);
if (iname == null) {
iname = custom.getElementName();
}
struct.setName(iname);
hold.addNamespaceUsage(hold.getNamespace());
fillStructure(custom, null, null, struct, hold);
coll.addChild(struct);
}
}
/**
* Add binding details for the actual members of a class, excluding any members which have been handled separately.
*
* @param cust class customization information
* @param exmethmap map from property method names to be excluded to the corresponding property customizations
* @param inmethmap map from property method names included in binding to the corresponding property customizations
* (populated by this method, null if not needed)
* @param parent containing binding component
* @param hold binding holder
*/
private void addMemberBindings(ClassCustom cust, Map exmethmap, Map inmethmap, NestingElementBase parent,
BindingHolder hold) {
// generate binding component for each member of class
for (Iterator iter = cust.getMembers().iterator(); iter.hasNext();) {
// skip this member if excluded property
ValueCustom memb = (ValueCustom)iter.next();
String gmeth = memb.getGetName();
String smeth = memb.getSetName();
if (memb.isProperty() && !memb.isPrivate()) {
ValueCustom match = (ValueCustom)(gmeth != null ? exmethmap.get(gmeth) : exmethmap.get(smeth));
if (match == null) {
// add methods for included property to map implemented for this binding
if (inmethmap != null) {
if (gmeth != null) {
inmethmap.put(gmeth, memb);
}
if (smeth != null) {
inmethmap.put(smeth, memb);
}
}
} else {
continue;
}
}
// check for repeated item
if (memb.isCollection()) {
// create collection element for field or property
CollectionElement coll = new CollectionElement();
if (memb.getFieldName() == null) {
coll.setGetName(gmeth);
coll.setSetName(memb.getSetName());
} else {
coll.setFieldName(memb.getFieldName());
}
setTypes(memb, coll);
// set the element name, if defined
String name = memb.getXmlName();
if ((cust.isWrapCollections() || memb.isElementForced()) && name != null) {
coll.setName(name);
hold.addNamespaceUsage(hold.getNamespace());
}
// check for optional value
if (!memb.isRequired()) {
coll.setUsageName("optional");
}
// check for type defined
String itype = memb.getItemType();
if (itype != null) {
// set name to be used for items in collection
String iname = memb.getItemName();
if (iname == null) {
// use name based on item type
String simple = itype;
int split = simple.lastIndexOf('.');
if (split >= 0) {
simple = simple.substring(0, split);
}
iname = cust.convertName(simple);
}
// define the collection details
defineCollection(itype, iname, coll, hold);
// check for special case of two unwrapped collections with same item-type and no children
ArrayList siblings = parent.children();
if (siblings.size() > 0 && coll.children().size() == 0 && coll.getName() == null) {
ElementBase sibling = (ElementBase)siblings.get(siblings.size()-1);
if (sibling.type() == ElementBase.COLLECTION_ELEMENT) {
CollectionElement lastcoll = (CollectionElement)sibling;
if (lastcoll.children().size() == 0 && lastcoll.getName() == null &&
Utility.safeEquals(lastcoll.getItemTypeName(), coll.getItemTypeName())) {
throw new IllegalStateException("Need to use wrapper element for collection member '" +
memb.getBaseName() + "' of class " + cust.getName());
}
}
}
}
parent.addChild(coll);
} else {
// check whether value or structure
String wtype = memb.getWorkingType();
if (Types.isSimpleValue(wtype) || isValueClass(wtype)) {
// add for simple type or enum
ValueElement value = new ValueElement();
if (memb.getFieldName() == null) {
value.setGetName(gmeth);
value.setSetName(memb.getSetName());
} else {
value.setFieldName(memb.getFieldName());
}
value.setName(memb.getXmlName());
hold.addNamespaceUsage(hold.getNamespace());
// pass on optional value method for enum
ClassCustom icust = m_global.getClassCustomization(wtype);
if (icust != null) {
value.setEnumValueName(icust.getEnumValueMethod());
}
// check for optional value
if (!memb.isRequired()) {
value.setUsageName("optional");
}
// configure added property values
int style = memb.getStyle();
if (style == NestingBase.ATTRIBUTE_VALUE_STYLE) {
value.setStyleName("attribute");
} else if (style == NestingBase.ELEMENT_VALUE_STYLE) {
value.setStyleName("element");
} else {
value.setStyleName("text");
value.setName(null);
}
if (memb.getActualType() != null) {
value.setDeclaredType(memb.getActualType());
}
parent.addChild(value);
} else {
// create with name and access information
StructureElement struct = new StructureElement();
if (memb.getFieldName() == null) {
struct.setGetName(gmeth);
struct.setSetName(memb.getSetName());
} else {
struct.setFieldName(memb.getFieldName());
}
setTypes(memb, struct);
// check for optional value
if (!memb.isRequired()) {
struct.setUsageName("optional");
}
// set details based on class handling
ClassCustom mcust = m_global.getClassCustomization(memb.getWorkingType());
fillStructure(mcust, memb, null, struct, hold);
parent.addChild(struct);
}
}
}
}
/**
* Add binding details for the full representation of a class. This includes superclasses, if configured, and makes
* use of any appropriate <mapping> definitions as part of the binding.
*
* @param cust class customization information
* @param memb member customization information (null if implicit reference, rather than member)
* @param inmethmap map from property method names included in binding to the corresponding property customizations,
* (needed in case of interface or overridden methods; populated by this method, null if not needed)
* @param struct structure element referencing the class
* @param hold binding holder
*/
private void fillStructure(ClassCustom cust, ValueCustom memb, Map inmethmap, StructureElement struct,
BindingHolder hold) {
// check for an actual definition
String type = cust.getName();
BindingMappingDetail detail = (BindingMappingDetail)m_mappingDetailsMap.get(type);
if (detail != null) {
// use existing definition for type
if (detail.isUseAbstract() && !detail.isExtended()) {
QName qname = detail.getTypeQName();
String uri = qname.getUri();
hold.addTypeNameReference(uri, uri);
struct.setMapAsQName(qname);
if (memb != null) {
struct.setName(memb.getXmlName());
hold.addNamespaceUsage(hold.getNamespace());
}
} else {
struct.setMapAsName(cust.getName());
}
if (inmethmap != null) {
inmethmap.putAll(detail.getAccessMethodMap());
}
} else if (!m_global.isKnownMapping(type)) {
// add member reference information
if (memb != null) {
// check for type settings needed
if (memb.getActualType() != null) {
struct.setDeclaredType(memb.getActualType());
}
if (memb.getCreateType() != null) {
struct.setCreateType(memb.getCreateType());
}
if (memb.getFactoryMethod() != null) {
struct.setFactoryName(memb.getFactoryMethod());
}
// add a name if an optional value
if (cust.isForceStructureNames() || !memb.isRequired()) {
struct.setName(memb.getXmlName());
hold.addNamespaceUsage(hold.getNamespace());
}
}
// check if need to use superclass in binding
IClass clas = cust.getClassInformation();
IClass sclas = clas.getSuperClass();
String stype = sclas.getName();
Map exmethmap = Collections.EMPTY_MAP;
if (checkInclude(stype)) {
// check if any added content from this class
ClassCustom scust = m_global.getClassCustomization(stype);
exmethmap = new HashMap();
if (cust.getMembers().size() > 0) {
// add child element for superclass, followed by content from this class
StructureElement sstruct = new StructureElement();
sstruct.setDeclaredType(stype);
fillStructure(scust, null, exmethmap, sstruct, hold);
struct.addChild(sstruct);
} else {
// just replace class reference with superclass reference in existing
struct.setDeclaredType(stype);
fillStructure(scust, null, exmethmap, struct, hold);
}
} else {
// check for interface with abstract mapping to reference
String[] intfs = sclas.getInterfaces();
for (int i = 0; i < intfs.length; i++) {
String intf = intfs[i];
BindingMappingDetail idetail = (BindingMappingDetail)m_mappingDetailsMap.get(intf);
if (idetail != null && idetail.isUseAbstract() && idetail.getTypeQName() == null) {
// reference abstract mapped interface
struct = new StructureElement();
struct.setMapAsName(intf);
exmethmap = idetail.getAccessMethodMap();
break;
}
}
}
// fill in content details from this class
if (inmethmap != null) {
inmethmap.putAll(exmethmap);
}
if (cust.getMembers().size() > 0) {
addMemberBindings(cust, exmethmap, inmethmap, struct, hold);
}
}
}
/**
* Add the <mapping> definition for a class to a binding. This creates either an abstract mapping with a type
* name, or a concrete mapping with an element name, as determined by the passed-in mapping information. If the
* class is a concrete mapping that extends or implements another class with an anonymous abstract mapping, the
* created <mapping> will extend that base mapping. TODO: type substitution requires extending the binding
* definition
*
* @param type fully qualified class name
* @param detail mapping details
*/
private void addMapping(String type, BindingMappingDetail detail) {
// create the basic mapping structure(s)
ClassCustom cust = m_global.addClassCustomization(type);
MappingElementBase mainmapping = null;
QName qname = null;
MappingElementBase mapcon = null;
IClass clas = cust.getClassInformation();
if (detail.isUseConcrete()) {
// create concrete mapping
mapcon = createMapping(type, cust);
qname = detail.getElementQName();
mapcon.setName(qname.getName());
detail.setConcreteMapping(mapcon);
// make "concrete" mapping abstract if no class creation possible
if (clas.isAbstract() || clas.isInterface()) {
mapcon.setAbstract(true);
}
// fill details directly to this mapping unless abstract also created
mainmapping = mapcon;
}
MappingElement mapabs = null;
if (detail.isUseAbstract()) {
// create abstract mapping
mapabs = createMapping(type, cust);
mapabs.setAbstract(true);
qname = detail.getTypeQName();
mapabs.setTypeQName(qname);
detail.setAbstractMapping(mapabs);
// use abstract mapping for details (concrete will reference this one)
mainmapping = mapabs;
}
if (mainmapping != null) {
// find the binding containing this mapping
String uri = qname.getUri();
BindingHolder hold = m_directory.getBinding(uri);
if (mainmapping.isAbstract()) {
hold.addTypeNameReference(uri, uri);
}
// check for superclass mapping to be extended (do this first for compatibility with schema type extension)
StructureElement struct = null;
String ptype = detail.getExtendsType();
Map exmembmap = Collections.EMPTY_MAP;
Map inmembmap = new HashMap();
if (ptype == null) {
// not extending a base mapping, check if need to include superclass
IClass parent = clas.getSuperClass();
if (cust.isUseSuper() && parent != null) {
ptype = parent.getName();
if (checkInclude(ptype)) {
struct = new StructureElement();
struct.setDeclaredType(ptype);
ClassCustom scust = m_global.getClassCustomization(ptype);
exmembmap = new HashMap();
fillStructure(scust, null, exmembmap, struct, hold);
}
}
} else {
// create reference to parent mapping
struct = new StructureElement();
BindingMappingDetail pdetail = (BindingMappingDetail)m_mappingDetailsMap.get(ptype);
if (!pdetail.isGenerated()) {
addMapping(ptype, pdetail);
}
exmembmap = pdetail.getAccessMethodMap();
if (pdetail.isUseAbstract()) {
// reference abstract mapped superclass
QName tname = pdetail.getTypeQName();
if (tname == null) {
throw new IllegalStateException("Internal error: unimplemented case of superclass " + ptype
+ " to be extended by subclass " + type + ", without an abstract ");
} else {
uri = tname.getUri();
hold.addTypeNameReference(uri, uri);
struct.setMapAsQName(tname);
}
} else {
// reference concrete mapped superclass
struct.setMapAsName(ptype);
}
// set extension for child concrete mapping
if (mapcon != null) {
mapcon.setExtendsName(ptype);
}
}
// add extension reference structure to mapping
if (struct != null) {
mainmapping.addChild(struct);
}
// add all details of class member handling to binding
inmembmap.putAll(exmembmap);
addMemberBindings(cust, exmembmap, inmembmap, mainmapping, hold);
hold.addMapping(mainmapping);
if (mapabs != null && mapcon != null) {
// define content as structure reference to abstract mapping
struct = new StructureElement();
QName tname = detail.getTypeQName();
uri = tname.getUri();
hold.addTypeNameReference(uri, uri);
struct.setMapAsQName(tname);
mapcon.addChild(struct);
hold.addMapping(mapcon);
}
// set the member property map for mapping
detail.setAccessMethodMap(inmembmap);
detail.setGenerated(true);
} else {
throw new IllegalStateException("Internal error: mapping detail for " + type
+ " with neither abstract nor concrete mapping");
}
}
/**
* Create and initialize a <mapping> element.
*
* @param type
* @param cust
* @return mapping
*/
private MappingElement createMapping(String type, ClassCustom cust) {
MappingElement mapabs;
mapabs = new MappingElement();
mapabs.setClassName(type);
mapabs.setCreateType(cust.getCreateType());
mapabs.setFactoryName(cust.getFactoryMethod());
return mapabs;
}
/**
* Add the details for mapping a class.
* TODO: should add checks for unique particle attribution rule - need to check for duplicate element names without
* a required element in between, and if found alter the names after the first; note that duplicates may be from the
* base type, or from a group; also need to make sure attribute names are unique
*
* @param abstr force abstract mapping flag
* @param ename element name for concrete mapping (null if unspecified)
* @param type fully-qualified class name
* @return mapping details
*/
private BindingMappingDetail addMappingDetails(Boolean abstr, QName ename, String type) {
// check for existing detail
BindingMappingDetail detail = (BindingMappingDetail)m_mappingDetailsMap.get(type);
if (detail == null) {
// provide warning when interface used with field access
ClassCustom cust = m_global.getClassCustomization(type);
IClass sclas = cust.getClassInformation();
if (sclas.isInterface() && !cust.isPropertyAccess()) {
System.out.println("Warning: generating mapping for interface " + type +
" without checking properties - consider setting property-access='true'");
}
// check if a superclass is base for extension
String stype = null;
Boolean isabs = null;
while ((sclas = sclas.getSuperClass()) != null) {
if (m_directSet.contains(sclas.getName())) {
stype = sclas.getName();
isabs = Boolean.valueOf(sclas.isAbstract());
break;
}
}
// TODO: really should check for multiple superclasses/interfaces to
// be handled (and generate a warning, since they can't be handled)
if (stype == null) {
// check if an interface is base for extension
sclas = cust.getClassInformation();
loop: while (sclas != null) {
String[] intfs = sclas.getInterfaces();
for (int i = 0; i < intfs.length; i++) {
String itype = intfs[i];
while (true) {
if (m_directSet.contains(itype)) {
stype = itype;
isabs = Boolean.TRUE;
break loop;
} else {
ClassCustom icust = m_global.getClassCustomization(itype);
if (icust == null) {
break;
} else {
// check for interface (should only ever be one) of interface
String[] sintfs = icust.getClassInformation().getInterfaces();
if (sintfs.length > 0) {
itype = sintfs[0];
} else {
break;
}
}
}
}
}
sclas = sclas.getSuperClass();
}
}
if (stype != null) {
BindingMappingDetail sdetail = addMappingDetails(isabs, null, stype);
sdetail.setExtended(true);
}
// force type name to use same namespace as element name, if supplied
QName tname;
if (ename == null) {
tname = cust.getTypeQName();
} else {
tname = new QName(ename.getUri(), cust.getTypeName());
}
// make sure the binding holder has been created for this namespace
String uri = tname.getUri();
if (m_directory.getBinding(uri) == null) {
m_directory.addBinding(uri, uri, null, true);
}
// check or get element name to be used
// TODO: shouldn't need to do this, since element and type in separate namespaces should be allowed
if (isQNameUsed(ename, m_elementNamesMap)) {
throw new IllegalStateException("Internal error - attempting to create mapping with element name " +
ename + " already used");
} else if (ename == null) {
ename = cust.getElementQName();
}
// fix names if necessary to avoid conflicts
tname = fixTypeName(tname);
ename = fixElementName(ename);
// create mapping details as specified
boolean abs = ((abstr == null) ? cust.isMapAbstract() : abstr.booleanValue()) ||
cust.isAbstractMappingForced();
detail = new BindingMappingDetail(type, tname, ename, stype);
if (abs || !cust.isConcreteClass()) {
detail.setUseAbstract(true);
}
// force concrete mapping if not abstract, or if requested, or if extends base or base for extension
if ((!abs || cust.isConcreteMappingForced() || sclas != null || m_superSet.contains(type)
|| (abstr != null && !abstr.booleanValue())) && cust.isConcreteClass()) {
detail.setUseConcrete(true);
}
m_mappingDetailsMap.put(type, detail);
// check if package usable as target for binding code
if (m_targetPackage == null && cust.getClassInformation().isModifiable()) {
m_targetPackage = ((PackageCustom)cust.getParent()).getName();
}
} else if (abstr != null) {
// mapping detail already generated, just make sure of variety
if (abstr.booleanValue()) {
detail.setUseAbstract(true);
} else {
detail.setUseConcrete(true);
}
}
return detail;
}
/**
* Check if a qualified name is already defined within a category of names.
*
* @param qname requested qualified name (null allowed, always returns false)
* @param map namespace URI to {@link UniqueNameSet} map for category
* @return true if used, false if not
*/
private boolean isQNameUsed(QName qname, Map map) {
if (qname != null) {
UniqueNameSet nameset = (UniqueNameSet)map.get(qname.getUri());
if (nameset != null) {
return nameset.contains(qname.getName());
}
}
return false;
}
/**
* Fix local name to be unique within the appropriate namespace for a category of names.
*
* @param qname requested qualified name (null allowed, always returns null)
* @param map namespace URI to {@link UniqueNameSet} map for category
* @return unique version of qualified name
*/
private QName fixQName(QName qname, Map map) {
if (qname != null) {
String uri = qname.getUri();
UniqueNameSet nameset = (UniqueNameSet)map.get(uri);
if (nameset == null) {
nameset = new UniqueNameSet();
map.put(uri, nameset);
}
String base = qname.getName();
String name = nameset.add(base);
if (name.equals(base)) {
return qname;
} else {
return new QName(uri, name);
}
} else {
return null;
}
}
/**
* Fix element local name to be unique within the appropriate namespace.
*
* @param qname requested qualified name (null allowed, always returns null)
* @return unique version of qualified name
*/
private QName fixElementName(QName qname) {
return fixQName(qname, m_elementNamesMap);
}
/**
* Fix type local name to be unique within the appropriate namespace.
*
* @param qname requested qualified name (null allowed, always returns null)
* @return unique version of qualified name
*/
private QName fixTypeName(QName qname) {
return fixQName(qname, m_typeNamesMap);
}
/**
* Find closure of references from a supplied list of classes. References counted, and direct references are
* accumulated for handling. The supplied list may include generic classes with type parameters.
*
* @param classes
* @param refmap
*/
private void findReferences(List classes, ReferenceCountMap refmap) {
for (int i = 0; i < classes.size(); i++) {
String type = (String)classes.get(i);
int split = type.indexOf('<');
if (split > 0) {
type = type.substring(split + 1, type.length() - 1);
}
expandReferences(type, refmap);
}
}
/**
* Flag classes referenced more than once to be handled with <mapping> definitions.
*
* @param refmap
*/
private void flagMultipleReferences(ReferenceCountMap refmap) {
for (Iterator iter = refmap.iterator(); iter.hasNext();) {
String type = (String)iter.next();
if (refmap.getCount(type) > 1) {
m_directSet.add(type);
}
}
}
/**
* Add mapping details for classes referenced more than once, or classes with mapping forced.
*
* @param refmap
*/
private void addReferencedMappings(ReferenceCountMap refmap) {
for (Iterator iter = refmap.iterator(); iter.hasNext();) {
String type = (String)iter.next();
if (refmap.getCount(type) > 1 && !m_mappingDetailsMap.containsKey(type)) {
addMappingDetails(null, null, type);
}
}
}
/**
* Generate the mapping definitions for classes referenced more than once.
*
* @param refmap
*/
private void generateReferencedMappings(ReferenceCountMap refmap) {
for (Iterator iter = refmap.iterator(); iter.hasNext();) {
String type = (String)iter.next();
if (refmap.getCount(type) > 1) {
BindingMappingDetail detail = (BindingMappingDetail)m_mappingDetailsMap.get(type);
if (!detail.isGenerated()) {
addMapping(type, detail);
}
}
}
}
/**
* Generate mappings for a list of classes. The mapping details must have been configured before this method is
* called.
*
* @param classes
*/
private void generateMappings(List classes) {
for (int i = 0; i < classes.size(); i++) {
String type = (String)classes.get(i);
BindingMappingDetail detail = (BindingMappingDetail)m_mappingDetailsMap.get(type);
if (!detail.isGenerated()) {
addMapping(type, detail);
}
}
}
/**
* Fix the base classes that are to be used as extension types. This step is needed to generate the substitution
* group structures for classes which are both referenced directly and extended by other classes. The method must be
* called after all mapping details have been constucted but before the actual binding generation.
*/
private void fixBaseClasses() {
for (Iterator iter = m_directSet.iterator(); iter.hasNext();) {
String type = (String)iter.next();
BindingMappingDetail detail = (BindingMappingDetail)m_mappingDetailsMap.get(type);
if (detail != null && detail.isExtended()) {
detail.setUseConcrete(true);
}
}
}
/**
* Generate any required format definitions. Format definitions are used for all classes defining serializer or
* deserializer methods.
*/
private void generateFormats() {
// add any required format definitions
for (Iterator iter = m_formatSet.iterator(); iter.hasNext();) {
String type = (String)iter.next();
ClassCustom clas = m_global.getClassCustomization(type);
if (clas.getSerializer() != null || clas.getDeserializer() != null) {
FormatElement format = new FormatElement();
format.setDeserializerName(clas.getDeserializer());
format.setSerializerName(clas.getSerializer());
format.setTypeName(type);
m_directory.addFormat(format);
}
}
}
/**
* Generate binding(s) for a list of classes. This creates a <mapping> definition for each class in the list, and
* either embeds <structure> definitions or creates separate <mapping>s for other classes referenced by these
* classes. If all the classes use the same namespace only the binding for that namespace will be created;
* otherwise, a separate binding will be created for each namespace.
*
* @param abstr force abstract mapping flag (use both abstract and concrete if null)
* @param classes class list
*/
public void generate(Boolean abstr, List classes) {
// start by expanding and counting references from supplied classes
ReferenceCountMap refmap = new ReferenceCountMap();
m_directSet.addAll(classes);
findReferences(classes, refmap);
flagMultipleReferences(refmap);
// set the classes to be handled with definitions
for (int i = 0; i < classes.size(); i++) {
BindingMappingDetail detail = addMappingDetails(abstr, null, (String)classes.get(i));
if (abstr == null) {
detail.setUseAbstract(true);
detail.setUseConcrete(true);
}
}
addReferencedMappings(refmap);
fixBaseClasses();
// generate the binding(s)
generateMappings(classes);
generateReferencedMappings(refmap);
generateFormats();
}
/**
* Generate binding(s) for lists of classes. This creates a <mapping> definition for each class in the lists, and
* either embeds <structure> definitions or creates separate <mapping>s for other classes referenced by these
* classes. If all the classes use the same namespace only the binding for that namespace will be created;
* otherwise, a separate binding will be created for each namespace.
*
* @param qnames list of names for concrete mappings
* @param concrs list of classes to be given concrete mappings
* @param abstrs list of classes to be given abstract mappings
*/
public void generateSpecified(ArrayList qnames, List concrs, List abstrs) {
// start by expanding and counting references from supplied classes
ReferenceCountMap refmap = new ReferenceCountMap();
m_directSet.addAll(concrs);
m_directSet.addAll(abstrs);
findReferences(concrs, refmap);
findReferences(abstrs, refmap);
flagMultipleReferences(refmap);
// set classes to be handled with mapping definitions
for (int i = 0; i < concrs.size(); i++) {
BindingMappingDetail detail = addMappingDetails(Boolean.FALSE, (QName)qnames.get(i), (String)concrs.get(i));
if (detail.getElementQName() == null) {
detail.setElementQName(fixElementName((QName)qnames.get(i)));
}
}
for (int i = 0; i < abstrs.size(); i++) {
addMappingDetails(Boolean.TRUE, null, (String)abstrs.get(i));
}
addReferencedMappings(refmap);
fixBaseClasses();
// generate the binding(s)
generateMappings(concrs);
generateMappings(abstrs);
generateReferencedMappings(refmap);
generateFormats();
}
/**
* Get the mapping details for a class. This method should only be used after the
* {@link #generate(Boolean, List)} method has been called.
*
* @param type fully-qualified class name
* @return mapping details, or null if none
*/
public BindingMappingDetail getMappingDetail(String type) {
return (BindingMappingDetail)m_mappingDetailsMap.get(type);
}
/**
* Get the binding definition for a namespace, which must already have been created. This method should only be used
* after the {@link #generate(Boolean, List)} method has been called. It delegates to the
* {@link org.jibx.binding.model.BindingOrganizer} implementation.
*
* @param uri URI
* @return binding holder
*/
public BindingHolder getBinding(String uri) {
return m_directory.getRequiredBinding(uri);
}
/**
* Adds a collection of namespace URIs to be referenced at root binding level.
*
* @param uris URIs
*/
public void addRootUris(Collection uris) {
m_directory.addRootUris(uris);
}
/**
* Get the binding definition for a namespace, creating a new one if not previously defined. This method should only
* be used after the {@link #generate(Boolean, List)} method has been called. It delegates to the
* {@link org.jibx.binding.model.BindingOrganizer} implementation.
*
* @param uri URI
* @param dflt namespace is default for elements in binding flag
* @return binding holder
*/
public BindingHolder addBinding(String uri, boolean dflt) {
BindingHolder hold = m_directory.getBinding(uri);
if (hold == null) {
hold = m_directory.addBinding(uri, uri, null, dflt);
}
return hold;
}
/**
* Complete the generated bindings. This prepares the generated bindings for writing to the file system, if desired.
*
* @param name file name for root or singleton binding definition
* @return holder for root binding definition
*/
public BindingHolder finish(String name) {
BindingHolder root = m_directory.configureFiles(name, m_targetPackage, Collections.EMPTY_LIST);
return root;
}
/**
* Write and validate the generated binding definition files.
*
* @param dir target directory (bindings not written if null)
* @param loc class locator for binding validation (ignored if no target directory supplied)
* @param root holder for root binding definition
* @return binding definitions, or null if validation error
* @throws IOException I/O Error
* @throws JiBXException JiBX Error
*/
public List validateFiles(File dir, IClassLocator loc, BindingHolder root) throws IOException, JiBXException {
// write the full set of binding definitions to target directory
m_directory.writeBindings(dir);
// validate the root binding (which will pull in all referenced bindings)
File file = new File(dir, root.getFileName());
ValidationContext vctx = new ValidationContext(loc);
FileInputStream is = new FileInputStream(file);
BindingElement binding = BindingElement.validateBinding(root.getFileName(), file.toURI().toURL(), is, vctx);
if (binding == null || vctx.getErrorCount() > 0 || vctx.getFatalCount() > 0) {
return null;
} else {
// build and return list of validated binding definitions
List uris = m_directory.getKeys();
List bindings = new ArrayList();
bindings.add(binding);
URL base = dir.toURI().toURL();
for (Iterator iter = uris.iterator(); iter.hasNext();) {
String uri = (String)iter.next();
BindingHolder hold = getBinding(uri);
if (hold != root) {
URL url = new URL(base, hold.getFileName());
if (binding.addIncludePath(url.toExternalForm(), false)) {
throw new IllegalStateException("Binding not found when read from file");
} else {
bindings.add(binding.getExistingIncludeBinding(url));
}
}
}
return bindings;
}
}
/**
* Run the binding generation using command line parameters.
*
* @param args Initial params
* @throws JiBXException JiBX error
* @throws IOException I/O error
*/
public static void main(String[] args) throws JiBXException, IOException {
BindGenCommandLine parms = new BindGenCommandLine();
if (args.length > 0 && parms.processArgs(args)) {
// generate bindings for all classes
BindGen gen = new BindGen(parms.getGlobal());
gen.generate(parms.getAbstract(), parms.getExtraArgs());
BindingHolder root = gen.finish(parms.getBindingName());
List bindings = gen.validateFiles(parms.getGeneratePath(), parms.getLocator(), root);
if (!parms.isBindingOnly()) {
// generate schemas for all bindings
SchemaGen sgen = new SchemaGen(parms.getLocator(), parms.getGlobal(), parms.getUriNames());
List schemas = sgen.generate(bindings);
SchemaGen.writeSchemas(parms.getGeneratePath(), schemas);
}
} else {
if (args.length > 0) {
System.err.println("Terminating due to command line errors");
} else {
parms.printUsage();
}
System.exit(1);
}
}
}
