jease.cms.domain.property.ScriptProperty.java Source code

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Here is the source code for jease.cms.domain.property.ScriptProperty.java

Source

/*
Copyright (C) 2016 maik.jablonski@jease.org
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package jease.cms.domain.property;

import jfix.util.Reflections;

import org.apache.commons.lang3.StringUtils;

public class ScriptProperty extends Property implements Provider {

    private String code;
    private transient Provider provider;

    public ScriptProperty() {
    }

    public ScriptProperty(String name) {
        super(name);
    }

    public ScriptProperty(String name, String value) {
        this(name);
        setCode(value);
    }

    public String[] getValue() {
        try {
            if (provider == null) {
                provider = (Provider) Reflections.newInstance(code);
            }
            return provider.getValue();
        } catch (Throwable e) {
            return new String[] { e.getMessage() };
        }
    }

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
        this.provider = null;
    }

    public ScriptProperty copy() {
        ScriptProperty property = (ScriptProperty) super.copy();
        property.setCode(getCode());
        return property;
    }

    public void replace(String target, String replacement) {
        super.replace(target, replacement);
        if (getCode() != null) {
            setCode(getCode().replace(target, replacement));
        }
    }

    public String toString() {
        return StringUtils.join(getValue(), "\n");
    }
}