se.miun.itm.input.model.mapping.StructuralMapping.java Source code

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Here is the source code for se.miun.itm.input.model.mapping.StructuralMapping.java

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/*-- $Copyright (C) 2012-13 Felix Dobslaw$
    
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so, subject to the following conditions:
    
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
    
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */package se.miun.itm.input.model.mapping;

import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Pattern;

import org.jdom2.Attribute;
import org.jdom2.Element;

import se.miun.itm.input.model.InPUTException;
import se.miun.itm.input.util.Q;

/**
 * 
 * @author Felix Dobslaw
 *
 * @NotThreadSafe
 */
public class StructuralMapping extends Mapping {

    private final Complex complex;

    private final String constructorSignature;

    private final Set<String> signChops;

    private final String componentType;

    private StructuralMapping(Element mapping, String componentType, String constructorString)
            throws InPUTException {
        super(mapping);
        complex = initComplex(mapping);
        this.componentType = componentType;
        constructorSignature = constructorString;
        signChops = initSignatureChops(constructorSignature);
    }

    public StructuralMapping(Element mapping) throws InPUTException {
        this(mapping, mapping.getAttributeValue(Q.TYPE_ATTR), mapping.getAttributeValue(Q.CONSTR_ATTR));
    }

    private StructuralMapping(String id, StructuralMapping mapping, String componentType,
            String constructorSignature) {
        super(id, mapping.getSetter(), mapping.getGetter());
        complex = mapping.getComplex();
        this.componentType = componentType;
        this.constructorSignature = constructorSignature;
        signChops = initSignatureChops(constructorSignature);
    }

    /**
     * clone constructor
     * @param id
     * @param mapping
     */
    public StructuralMapping(String id, StructuralMapping mapping) {
        this(id, mapping, mapping.getComponentType(), mapping.getConstructorSignature());
    }

    public boolean isComplex() {
        return complex != null;
    }

    public Complex getComplex() {
        return complex;
    }

    private Complex initComplex(Element mapping) throws InPUTException {
        List<Element> children = mapping.getChildren();
        Element complex;
        if (children.size() > 0) {
            complex = children.get(0);
            if (complex.getName().equals(Q.COMPLEX))
                return new Complex(complex, mapping);
        }

        return null;
    }

    public String getConstructorSignature() {
        return constructorSignature;
    }

    private static Set<String> initSignatureChops(String constructorSignature) {
        Set<String> chops;
        if (constructorSignature != null) {
            String[] entries = constructorSignature.split(Pattern.quote(" "));
            chops = new HashSet<String>(Arrays.asList(entries));
        } else
            chops = new HashSet<String>();
        return chops;
    }

    /**
     * important note: dependability is only relevant for the global order of the 
     * parameter init, and therefore, a parameter is NOT dependent on its children,
     * meaning that local dependencies are not of interest here.
     */
    public boolean containsInConstructorSignature(String paramId) {
        if (signChops.contains(paramId))
            return true;
        return false;
    }

    @Override
    public String toString() {
        return getId() + "[constructor=\"" + constructorSignature + "\"]";
    }

    public String getComponentType() {
        return componentType;
    }

    @Override
    public IMapping clone(String id, IMapping mapping) {
        if (mapping != null) {
            StructuralMapping m = (StructuralMapping) mapping;
            String constructor = m.getConstructorSignature();
            if (constructor == null)
                constructor = constructorSignature;
            return new StructuralMapping(id, this, m.getComponentType(), constructor);
        }
        return new StructuralMapping(id, this);
    }

    //TODO reusing same code, could be packaged into one function setAttribute for Element.
    @Override
    public IMapping clone(String id, Element mergedPriority) throws InPUTException {
        String constructor = mergedPriority.getAttributeValue(Q.CONSTR_ATTR);
        if (constructor == null)
            constructor = constructorSignature;
        if (mergedPriority.getAttributeValue(Q.GET_ATTR) == null && getGetter() == null)
            mergedPriority.setAttribute(new Attribute(Q.GET_ATTR, "false"));
        if (mergedPriority.getAttributeValue(Q.SET_ATTR) == null && getSetter() == null)
            mergedPriority.setAttribute(new Attribute(Q.SET_ATTR, "false"));

        return new StructuralMapping(mergedPriority, componentType, constructor);
    }
}