kenh.xscript.elements.Set.java Source code

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Here is the source code for kenh.xscript.elements.Set.java

Source

/*
 * xScript (XML Script Language)
 * Copyright 2015 and beyond, Kenneth Huang
 * 
 * This file is part of xScript.
 * 
 * xScript is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 * 
 * xScript is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with xScript.  If not, see <http://www.gnu.org/licenses/>. 
 */

package kenh.xscript.elements;

import org.apache.commons.lang3.StringUtils;

import kenh.xscript.annotation.*;
import kenh.xscript.impl.NormalElement;
import kenh.xscript.*;

import java.util.*;

/**
 * Store the variable.
 * 
 * @author Kenneth
 *
 */
@kenh.xscript.annotation.Include(Condition.class)
public class Set extends NormalElement {

    private static final String ATTRIBUTE_VARIABLE = "var";
    private static final String ATTRIBUTE_VALUE = "value";
    private static final String ATTRIBUTE_DEFAULT = "default"; // default value 

    public void process(@Attribute(ATTRIBUTE_VARIABLE) String var, @Attribute(ATTRIBUTE_VALUE) Object value)
            throws UnsupportedScriptException {
        process(var, value, null);
    }

    public void process(@Attribute(ATTRIBUTE_VARIABLE) String var, @Attribute(ATTRIBUTE_VALUE) Object value,
            @Attribute(ATTRIBUTE_DEFAULT) Object defaultValue) throws UnsupportedScriptException {
        var = StringUtils.trimToEmpty(var);

        if (StringUtils.isBlank(var)) {
            UnsupportedScriptException ex = new UnsupportedScriptException(this, "Variable name is empty.");
            throw ex;
        }

        this.invokeChildren();
        Vector<Element> children = this.getChildren();

        for (Element child : children) {
            if (child instanceof Condition) {
                Condition c = (Condition) child;
                if (c.getCondition())
                    value = c.getValue();
            }
        }

        saveVariable(var, value, defaultValue);
    }

    public void process(@Attribute(ATTRIBUTE_VALUE) Object value) throws UnsupportedScriptException {

    }

}