org.pentaho.metaverse.api.model.ExternalResourceInfoFactory.java Source code

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/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2018 by Hitachi Vantara : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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.pentaho.metaverse.api.model;

import org.apache.commons.vfs2.FileObject;
import org.pentaho.di.core.database.DatabaseMeta;
import org.pentaho.di.resource.ResourceEntry;
import org.pentaho.dictionary.DictionaryConst;

/**
 * ExternalResourceInfoFactory provides a number of utility methods to create IExternalResourceInfo objects out of other
 * objects (such as DatabaseMeta, ResourceEntry, FileObject, etc.)
 */
public class ExternalResourceInfoFactory {

    private static final boolean DEFAULT_IS_INPUT = true;

    protected ExternalResourceInfoFactory() {
        // Protected per Singleton pattern (but available for test/coverage)
    }

    public static IExternalResourceInfo createDatabaseResource(DatabaseMeta databaseMeta) {
        return createDatabaseResource(databaseMeta, DEFAULT_IS_INPUT);
    }

    public static IExternalResourceInfo createDatabaseResource(DatabaseMeta databaseMeta, boolean isInput) {
        BaseDatabaseResourceInfo resourceInfo;
        if ("Native".equals(databaseMeta.getAccessTypeDesc())) {
            resourceInfo = new JdbcResourceInfo(databaseMeta);
        } else {
            resourceInfo = new JndiResourceInfo(databaseMeta);
        }
        resourceInfo.setInput(isInput);
        return resourceInfo;
    }

    public static IExternalResourceInfo createResource(ResourceEntry resourceEntry) {
        return createResource(resourceEntry, DEFAULT_IS_INPUT);
    }

    public static IExternalResourceInfo createResource(ResourceEntry resourceEntry, boolean isInput) {
        BaseResourceInfo resourceInfo = new BaseResourceInfo();
        resourceInfo.setName(resourceEntry.getResource());
        resourceInfo.setInput(isInput);
        switch (resourceEntry.getResourcetype()) {
        case ACTIONFILE:
        case FILE:
            resourceInfo.setType(DictionaryConst.NODE_TYPE_FILE);
            break;
        case URL:
            resourceInfo = (WebServiceResourceInfo) createURLResource(resourceEntry.getResource(), isInput);
            break;
        case CONNECTION:
        case DATABASENAME:
            resourceInfo.setType(DictionaryConst.NODE_TYPE_DATASOURCE);
            break;
        case SERVER:
            resourceInfo.setType("SERVER");
            break;
        case OTHER:
        default:
            resourceInfo.setType("OTHER");
        }
        return resourceInfo;
    }

    public static IExternalResourceInfo createFileResource(FileObject fileObject) {
        return createFileResource(fileObject, DEFAULT_IS_INPUT);
    }

    public static IExternalResourceInfo createFileResource(FileObject fileObject, boolean isInput) {
        BaseResourceInfo resource = null;
        if (fileObject != null) {
            resource = new BaseResourceInfo();
            resource.setName(fileObject.getPublicURIString());
            resource.setInput(isInput);
            // default value, different value can be specified by the custom analyzer
            resource.setType(DictionaryConst.NODE_TYPE_FILE);
        }
        return resource;
    }

    public static IExternalResourceInfo createURLResource(String url) {
        return createURLResource(url, DEFAULT_IS_INPUT);
    }

    public static IExternalResourceInfo createURLResource(String url, boolean isInput) {
        WebServiceResourceInfo resource = null;
        if (url != null) {
            resource = new WebServiceResourceInfo();
            resource.setName(url);
            resource.setInput(isInput);
        }
        return resource;
    }
}