com.trenako.web.editors.ScalePropertyEditor.java Source code

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Here is the source code for com.trenako.web.editors.ScalePropertyEditor.java

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/*
 * Copyright 2012 the original author or authors.
 * 
 * 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 com.trenako.web.editors;

import java.beans.PropertyEditorSupport;

import org.apache.commons.lang3.StringUtils;
import org.bson.types.ObjectId;

import com.trenako.entities.Scale;

/**
 * @author Carlo Micieli
 */
public class ScalePropertyEditor extends PropertyEditorSupport {
    private final boolean allowEmpty;

    /**
     * Creates a new {@code ScalePropertyEditor}.
     *
     * @param allowEmpty if empty strings should be allowed
     */
    public ScalePropertyEditor(boolean allowEmpty) {
        this.allowEmpty = allowEmpty;
    }

    @Override
    public void setAsText(String text) throws IllegalArgumentException {
        if (allowEmpty && StringUtils.isBlank(text)) {
            setValue(null);
            return;
        }

        if (!ObjectId.isValid(text)) {
            throw new IllegalArgumentException(text + " is not a valid ObjectId");
        }

        ObjectId id = new ObjectId(text);
        setValue(new Scale(id));
    }

}