jlibs.xml.xsd.XSUtil Maven / Gradle / Ivy

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/**
 * Copyright 2015 Santhosh Kumar Tekuri
 *
 * The JLibs authors license this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package jlibs.xml.xsd;

import jlibs.core.graph.*;
import jlibs.core.graph.navigators.FilteredTreeNavigator;
import jlibs.core.graph.walkers.PreorderWalker;
import jlibs.xml.Namespaces;
import jlibs.xml.sax.helpers.MyNamespaceSupport;
import org.apache.xerces.xs.*;

import javax.xml.namespace.QName;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * @author Santhosh Kumar T
 */
public class XSUtil{
    public static MyNamespaceSupport createNamespaceSupport(XSModel model){
        MyNamespaceSupport nsSupport = new MyNamespaceSupport();
        StringList list = model.getNamespaces();
        for(int i=0; i getSubTypes(XSModel xsModel, XSComplexTypeDefinition complexType){
        List subTypes = new ArrayList();
        XSNamedMap namedMap = xsModel.getComponents(XSConstants.TYPE_DEFINITION);
        XSObject anyType = namedMap.itemByName(Namespaces.URI_XSD, "anyType");
        for(int i=0; i guessRootElements(final XSModel model){
        XSNamedMap components = model.getComponents(XSConstants.ELEMENT_DECLARATION);
        if(components.getLength()==0)
            return Collections.emptyList();

        final List elements = new ArrayList(components.getLength());
        for(int i=0; i(){
            @Override
            public boolean preProcess(Object elem, Path path){
                if(path.getRecursionDepth()>0)
                    return false;
                if(elements.size()>1 && path.getLength()>2){
                    XSElementDeclaration elemDecl = (XSElementDeclaration)elem;
                    if(elemDecl.getAbstract()){
                        XSObjectList substitutionGroup = model.getSubstitutionGroup(elemDecl);
                        for(int i=0; i getEnumeratedValues(XSSimpleTypeDefinition simpleType){
        ArrayList enums = new ArrayList();

        XSObjectList facets = simpleType.getMultiValueFacets();
        if(facets!=null){
            for(int i=0; i xpath){
        XSNamespaceItem nsItem = XSUtil.getNamespaceItem(schema, xpath.get(0).getNamespaceURI());
        if(nsItem==null)
            return null;

        FilteredTreeNavigator navigator = new FilteredTreeNavigator(new XSNavigator(), new Filter(){
            @Override
            public boolean select(Object elem){
                return elem instanceof XSElementDeclaration;
            }
        });

        final XSElementDeclaration declaration[] = new XSElementDeclaration[1];

        Walker walker = new PreorderWalker(nsItem, navigator);

        try{
            WalkerUtil.walk(walker, new Processor(){
                int i = 0;
                @Override
                public boolean preProcess(Object elem, Path path){
                    if(path.getParentPath()!=null){
                        QName qname = XSUtil.getQName((XSElementDeclaration)elem);
                        if(qname.equals(xpath.get(i))){
                            i++;
                            if(i==xpath.size()){
                                declaration[0] = (XSElementDeclaration)elem;
                                throw STOP_SEARCHING;
                            }
                            return true;
                        }else
                            return false;
                    }
                    return true;
                }

                @Override
                public void postProcess(Object elem, Path path){}
            });
        }catch(RuntimeException ex){
            if(ex!=STOP_SEARCHING)
                throw ex;
        }

        return declaration[0];
    }

    @SuppressWarnings("unchecked")
    public static XSAttributeDeclaration findAttributeDeclaration(XSModel schema, final List xpath){
        XSNamespaceItem nsItem = XSUtil.getNamespaceItem(schema, xpath.get(0).getNamespaceURI());
        if(nsItem==null)
            return null;

        FilteredTreeNavigator navigator = new FilteredTreeNavigator(new XSNavigator(), new Filter(){
            @Override
            public boolean select(Object elem){
                return elem instanceof XSElementDeclaration || elem instanceof XSAttributeUse;
            }
        });

        final XSAttributeDeclaration declaration[] = new XSAttributeDeclaration[1];

        Walker walker = new PreorderWalker(nsItem, navigator);

        try{
            WalkerUtil.walk(walker, new Processor(){
                int i = 0;
                @SuppressWarnings("ConstantConditions")
                @Override
                public boolean preProcess(Object elem, Path path){
                    if(path.getParentPath()!=null){
                        QName qname = XSUtil.getQName(elem instanceof XSAttributeUse? ((XSAttributeUse)elem).getAttrDeclaration() : (XSObject)elem);
                        if(qname.equals(xpath.get(i)) && (i!=xpath.size()-1 || elem instanceof XSAttributeUse)){
                            i++;
                            if(i==xpath.size()){
                                declaration[0] = ((XSAttributeUse)elem).getAttrDeclaration();
                                throw STOP_SEARCHING;
                            }
                            return true;
                        }else
                            return false;
                    }
                    return true;
                }

                @Override
                public void postProcess(Object elem, Path path){}
            });
        }catch(RuntimeException ex){
            if(ex!=STOP_SEARCHING)
                throw ex;
        }

        return declaration[0];
    }
}