org.xlcloud.console.virtualClusterDefinitions.validators.TemplateParameterNameValidator.java Source code

Introduction

Here is the source code for org.xlcloud.console.virtualClusterDefinitions.validators.TemplateParameterNameValidator.java

Source

/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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 org.xlcloud.console.virtualClusterDefinitions.validators;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import javax.inject.Inject;
import javax.inject.Named;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.Predicate;
import org.xlcloud.console.controllers.i18n.MessageController;
import org.xlcloud.console.scope.ViewScoped;
import org.xlcloud.console.virtualClusterDefinitions.utils.ParameterByNamePredicate;

import org.xlcloud.service.heat.template.Parameter;

/**
 * Validates template parameter name uniqueness. 
 * @author Konrad Krl, AMG.net
 */
@Named
@ViewScoped
public class TemplateParameterNameValidator implements Validator, Serializable {

    private static final long serialVersionUID = 2989806136593889737L;

    @Inject
    private MessageController messages;

    private List<Parameter> existingElements = new ArrayList<Parameter>();

    /** {@inheritDoc} */
    @Override
    public void validate(FacesContext context, UIComponent component, Object value) throws ValidatorException {
        String validatedName = (String) value;
        Predicate predicate = new ParameterByNamePredicate(validatedName);

        if (CollectionUtils.exists(existingElements, predicate)) {
            throw new ValidatorException(new FacesMessage(FacesMessage.SEVERITY_ERROR, messages.getValue("error"),
                    messages.getValue("vcDefinitions.editor.parameters.nameUnique")));
        }
    }

    /**
     * Gets the value of {@link #existingElements}.
     * @return value of {@link #existingElements}
     */
    public List<Parameter> getExistingElements() {
        return existingElements;
    }

    /**
     * Sets the value of {@link #existingElements}.
     * @param existingElements - value
     */
    public void setExistingElements(List<Parameter> existingElements) {
        this.existingElements = existingElements;
    }
}