hr.fer.zemris.vhdllab.applets.editor.schema2.predefined.PredefinedComponentsParser.java Source code

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Here is the source code for hr.fer.zemris.vhdllab.applets.editor.schema2.predefined.PredefinedComponentsParser.java

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 * regarding copyright ownership.
 * 
 * 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
 * 
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * See the License for the specific language governing permissions and
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package hr.fer.zemris.vhdllab.applets.editor.schema2.predefined;

import hr.fer.zemris.vhdllab.applets.editor.schema2.predefined.beans.ParameterWrapper;
import hr.fer.zemris.vhdllab.applets.editor.schema2.predefined.beans.PortWrapper;
import hr.fer.zemris.vhdllab.applets.editor.schema2.predefined.beans.PredefinedComponent;
import hr.fer.zemris.vhdllab.applets.editor.schema2.predefined.beans.PredefinedConf;

import java.io.StringReader;

import org.apache.commons.digester.Digester;

public class PredefinedComponentsParser {

    private PredefinedConf conf = null;
    private StringReader reader = null;

    public PredefinedComponentsParser(String fileContent) {
        reader = new StringReader(fileContent);
    }

    public PredefinedConf getConfiguration() {
        if (conf == null) {
            conf = parseConfiguration();
        }
        return conf;
    }

    private PredefinedConf parseConfiguration() {
        Digester digester = new Digester();
        digester.setValidating(false);
        digester.addObjectCreate("componentList", PredefinedConf.class);
        digester.addObjectCreate("componentList/component", PredefinedComponent.class);
        digester.addBeanPropertySetter("componentList/component/componentName");
        digester.addBeanPropertySetter("componentList/component/codeFileName");
        digester.addBeanPropertySetter("componentList/component/drawerName");
        digester.addBeanPropertySetter("componentList/component/categoryName");
        digester.addBeanPropertySetter("componentList/component/preferredName");
        digester.addBeanPropertySetter("componentList/component/genericComponent");

        digester.addObjectCreate("componentList/component/parameterList/parameter", ParameterWrapper.class);
        digester.addBeanPropertySetter("componentList/component/parameterList/parameter/generic");
        digester.addBeanPropertySetter("componentList/component/parameterList/parameter/paramType");
        digester.addBeanPropertySetter("componentList/component/parameterList/parameter/name");
        digester.addBeanPropertySetter("componentList/component/parameterList/parameter/value");
        digester.addBeanPropertySetter("componentList/component/parameterList/parameter/allowedValues");
        digester.addBeanPropertySetter("componentList/component/parameterList/parameter/eventName");
        digester.addSetNext("componentList/component/parameterList/parameter", "addParameter");

        digester.addObjectCreate("componentList/component/portList/port", PortWrapper.class);
        digester.addBeanPropertySetter("componentList/component/portList/port/name");
        digester.addBeanPropertySetter("componentList/component/portList/port/orientation");
        digester.addBeanPropertySetter("componentList/component/portList/port/direction");
        digester.addBeanPropertySetter("componentList/component/portList/port/type");
        digester.addBeanPropertySetter("componentList/component/portList/port/vectorAscension");
        digester.addBeanPropertySetter("componentList/component/portList/port/lowerBound");
        digester.addBeanPropertySetter("componentList/component/portList/port/upperBound");
        digester.addSetNext("componentList/component/portList/port", "addPort");

        digester.addSetNext("componentList/component", "addPredefinedComponent");

        try {
            return (PredefinedConf) digester.parse(reader);
        } catch (Exception e) {
            throw new IllegalStateException(e);
        }
    }

}