CustomFormsContainer.java

/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * 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.guvnor.common.services.workingset.client.factconstraints.helper;

import org.guvnor.common.services.workingset.client.factconstraints.customform.CustomFormConfiguration;
import org.guvnor.common.services.workingset.client.factconstraints.customform.CustomFormConfiguration;
import org.guvnor.common.services.workingset.client.factconstraints.customform.CustomFormConfiguration;
import org.guvnor.common.services.workingset.client.factconstraints.customform.predefined.DefaultCustomFormImplementation;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class CustomFormsContainer {

    //because a FactType.field can only have one customForm,
    //this map is: <"FactType.field", CustomForm>
    private Map<String, CustomFormConfiguration> customForms = new HashMap<String, CustomFormConfiguration>();

    public CustomFormsContainer( CustomFormConfiguration[] customFormsConfigs ) {
        this( Arrays.asList( customFormsConfigs ) );
    }

    public CustomFormsContainer( Collection<CustomFormConfiguration> customFormsConfigs ) {
        if ( customFormsConfigs != null && !customFormsConfigs.isEmpty() ) {
            for ( CustomFormConfiguration c : customFormsConfigs ) {
                putCustomForm( c );
            }
        }
    }

    //    public CustomFormsContainer() {
//
//    }
    public void removeCustomForm( CustomFormConfiguration cfc ) {
        this.customForms.remove( this.createMapKey( cfc ) );
    }

    /**
     * If cfc.getCustomFormURL() is empty, the CustomFormConfiguration is removed.
     * @param cfc
     */
    public final void putCustomForm( CustomFormConfiguration cfc ) {
        if ( cfc.getCustomFormURL().trim().equals( "" ) ) {
            this.customForms.remove( this.createMapKey( cfc ) );
        } else {
            this.customForms.put( this.createMapKey( cfc ), cfc );
        }
    }

    public CustomFormConfiguration getCustomForm( String factType,
                                                  String fieldName ) {
        return this.customForms.get( this.createMapKey( factType, fieldName ) );
    }

    public List<CustomFormConfiguration> getCustomForms() {
        return new ArrayList<CustomFormConfiguration>( this.customForms.values() );
    }

    public boolean containsCustomFormFor( String factType,
                                          String fieldName ) {
        return this.getCustomForm( factType, fieldName ) != null;
    }

    private String createMapKey( String factType,
                                 String fieldName ) {
        return factType + "." + fieldName;
    }

    private String createMapKey( CustomFormConfiguration cfc ) {
        return this.createMapKey( cfc.getFactType(), cfc.getFieldName() );
    }

    public static CustomFormConfiguration getEmptyCustomFormConfiguration() {
        return new DefaultCustomFormImplementation();
    }

}