org.apache.maven.project.validation.DefaultModelValidator Maven / Gradle / Ivy

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This library is used to not only read Maven project object model files, but to assemble inheritence and to retrieve remote models as required.

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package org.apache.maven.project.validation;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * 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.
 */

import org.apache.maven.model.Dependency;
import org.apache.maven.model.Model;

import java.util.Iterator;

/**
 * @author Trygve Laugstøl
 * @version $Id: DefaultModelValidator.java 191634 2005-06-21 06:49:49Z brett $
 */
public class DefaultModelValidator
    implements ModelValidator
{
    ///////////////////////////////////////////////////////////////////////////
    // ModelValidator Implementation

    public ModelValidationResult validate( Model model )
    {
        ModelValidationResult result = new ModelValidationResult();

        validateStringNotEmpty( "modelVersion", result, model.getModelVersion() );

        validateStringNotEmpty( "groupId", result, model.getGroupId() );

        validateStringNotEmpty( "artifactId", result, model.getArtifactId() );

        validateStringNotEmpty( "packaging", result, model.getPackaging() );

        validateStringNotEmpty( "version", result, model.getVersion() );

        for ( Iterator it = model.getDependencies().iterator(); it.hasNext(); )
        {
            Dependency d = (Dependency) it.next();

            validateStringNotEmpty( "dependencies.dependency.artifactId", result, d.getArtifactId() );

            validateStringNotEmpty( "dependencies.dependency.groupId", result, d.getGroupId() );

            validateStringNotEmpty( "dependencies.dependency.type", result, d.getType() );

            validateStringNotEmpty( "dependencies.dependency.version", result, d.getVersion() );
        }

        return result;
    }

    ///////////////////////////////////////////////////////////////////////////
    // Field validator

    /**
     * Asserts:
     * 
     * 

     * string.length != null
     * 
string.length > 0
     * 
     */
    private boolean validateStringNotEmpty( String fieldName, ModelValidationResult result, String string )
    {
        if ( !validateNotNull( fieldName, result, string ) )
        {
            return false;
        }

        if ( string.length() > 0 )
        {
            return true;
        }

        result.addMessage( "'" + fieldName + "' is empty." );

        return false;
    }

    /**
     * Asserts:
     * 
     * 

     * string != null
     * 
     */
    private boolean validateNotNull( String fieldName, ModelValidationResult result, Object object )
    {
        if ( object != null )
        {
            return true;
        }

        result.addMessage( "'" + fieldName + "' is missing." );

        return false;
    }
}