net.sourceforge.dita4publishers.impl.dita.DitaClassImpl.java Source code

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Here is the source code for net.sourceforge.dita4publishers.impl.dita.DitaClassImpl.java

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/**
 * Copyright 2009, 2010 DITA for Publishers project (dita4publishers.sourceforge.net)  Licensed 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 net.sourceforge.dita4publishers.impl.dita;

import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

import net.sourceforge.dita4publishers.api.dita.DitaClass;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 *
 */
public class DitaClassImpl implements DitaClass {

    private String classSpec;
    private boolean isDomainType;
    private boolean isStructuralType;
    private List<String> typeList = new ArrayList<String>();

    @SuppressWarnings("unused")
    private static Log log = LogFactory.getLog(DitaClassImpl.class);

    /**
     * @param classSpec
     * @throws DitaException 
     */
    public DitaClassImpl(String classSpec) throws DitaException {
        if (classSpec == null || classSpec.trim().equals(""))
            throw new DitaClassSpecificationException("Null or empty class specification.");
        this.classSpec = classSpec;
        StringTokenizer tokens = new StringTokenizer(classSpec, " ");
        String token = tokens.nextToken();
        this.isDomainType = false;
        this.isStructuralType = false;
        if (token.equals("+"))
            this.isDomainType = true;
        else if (token.equals("-"))
            this.isStructuralType = true;
        else
            throw new DitaClassSpecificationException(
                    "First token of class specification \"" + classSpec + " is not '+' or '-'");
        if (!tokens.hasMoreTokens())
            throw new DitaClassSpecificationException(
                    "Class specification missing required first token following +/-: \"" + classSpec + "\"");

        while (tokens.hasMoreTokens()) {
            token = tokens.nextToken();
            typeList.add(token);
        }
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#getBaseType()
     */
    public String getBaseType() {
        return this.typeList.get(0);
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#getClassValue()
     */
    public String getClassValue() {
        return this.classSpec;
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#getLastType()
     */
    public String getLastType() {
        return this.typeList.get(typeList.size() - 1);
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#getTypes()
     */
    public List<String> getTypes() {
        return typeList;
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#isDomainType()
     */
    public boolean isDomainType() {
        return isDomainType;
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#isStructuralType()
     */
    public boolean isStructuralType() {
        return isStructuralType;
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#isType(com.reallysi.rsuite.api.dita.DitaClass)
     * @return True if this type is a the same as or specialization of the candidate type.
     */
    public boolean isType(DitaClass candType) {

        List<String> candTypes = candType.getTypes();
        // Cannot be a specialization of the
        // candidate type if it is more specialized than we are:
        if (candTypes.size() > this.typeList.size())
            return false;

        for (int i = 0; i < candTypes.size() && i < typeList.size(); i++) {
            if (!typeList.get(i).equals(candTypes.get(i)))
                return false;
        }
        return true;
    }

    /* (non-Javadoc)
     * @see com.reallysi.rsuite.api.dita.DitaClass#isType(java.lang.String)
     */
    public boolean isType(String typeSpec) {
        return this.typeList.contains(typeSpec);
    }

}