Java tutorial
/** * The software subject to this notice and license includes both human readable * source code form and machine readable, binary, object code form. The nci-commons * Software was developed in conjunction with the National Cancer Institute * (NCI) by NCI employees and 5AM Solutions, Inc. (5AM). To the extent * government employees are authors, any rights in such works shall be subject * to Title 17 of the United States Code, section 105. * * This nci-commons Software License (the License) is between NCI and You. You (or * Your) shall mean a person or an entity, and all other entities that control, * are controlled by, or are under common control with the entity. Control for * purposes of this definition means (i) the direct or indirect power to cause * the direction or management of such entity, whether by contract or otherwise, * or (ii) ownership of fifty percent (50%) or more of the outstanding shares, * or (iii) beneficial ownership of such entity. * * This License is granted provided that You agree to the conditions described * below. NCI grants You a non-exclusive, worldwide, perpetual, fully-paid-up, * no-charge, irrevocable, transferable and royalty-free right and license in * its rights in the nci-commons Software to (i) use, install, access, operate, * execute, copy, modify, translate, market, publicly display, publicly perform, * and prepare derivative works of the nci-commons Software; (ii) distribute and * have distributed to and by third parties the nci-commons Software and any * modifications and derivative works thereof; and (iii) sublicense the * foregoing rights set out in (i) and (ii) to third parties, including the * right to license such rights to further third parties. For sake of clarity, * and not by way of limitation, NCI shall have no right of accounting or right * of payment from You or Your sub-licensees for the rights granted under this * License. This License is granted at no charge to You. * * Your redistributions of the source code for the Software must retain the * above copyright notice, this list of conditions and the disclaimer and * limitation of liability of Article 6, below. Your redistributions in object * code form must reproduce the above copyright notice, this list of conditions * and the disclaimer of Article 6 in the documentation and/or other materials * provided with the distribution, if any. * * Your end-user documentation included with the redistribution, if any, must * include the following acknowledgment: This product includes software * developed by 5AM and the National Cancer Institute. If You do not include * such end-user documentation, You shall include this acknowledgment in the * Software itself, wherever such third-party acknowledgments normally appear. * * You may not use the names "The National Cancer Institute", "NCI", or "5AM" * to endorse or promote products derived from this Software. This License does * not authorize You to use any trademarks, service marks, trade names, logos or * product names of either NCI or 5AM, except as required to comply with the * terms of this License. * * For sake of clarity, and not by way of limitation, You may incorporate this * Software into Your proprietary programs and into any third party proprietary * programs. However, if You incorporate the Software into third party * proprietary programs, You agree that You are solely responsible for obtaining * any permission from such third parties required to incorporate the Software * into such third party proprietary programs and for informing Your * sub-licensees, including without limitation Your end-users, of their * obligation to secure any required permissions from such third parties before * incorporating the Software into such third party proprietary software * programs. In the event that You fail to obtain such permissions, You agree * to indemnify NCI for any claims against NCI by such third parties, except to * the extent prohibited by law, resulting from Your failure to obtain such * permissions. * * For sake of clarity, and not by way of limitation, You may add Your own * copyright statement to Your modifications and to the derivative works, and * You may provide additional or different license terms and conditions in Your * sublicenses of modifications of the Software, or any derivative works of the * Software as a whole, provided Your use, reproduction, and distribution of the * Work otherwise complies with the conditions stated in this License. * * THIS SOFTWARE IS PROVIDED "AS IS," AND ANY EXPRESSED OR IMPLIED WARRANTIES, * (INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, * NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE) ARE DISCLAIMED. IN NO * EVENT SHALL THE NATIONAL CANCER INSTITUTE, 5AM SOLUTIONS, INC. OR THEIR * AFFILIATES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.codehaus.mojo.hibernate3.exporter; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import org.apache.maven.plugin.MojoExecutionException; import org.codehaus.mojo.hibernate3.configuration.ComponentConfiguration; import org.hibernate.cfg.Configuration; import org.hibernate.mapping.Column; import org.hibernate.mapping.Index; import org.hibernate.mapping.Table; /** * @author Scott Miller * * @extendsPlugin hibernate3 * @goal hbm2ddl * @execute phase="process-resources" */ public class CustomHbm2DDLExporterMojo extends Hbm2DDLExporterMojo { /** * Constant to tell the plugin to generate a unique key. */ public static final String GENERATE_INDEX_NAME_PREFIX = "~generate-an-index~"; /** * Should we auto name indexes. * * @parameter */ private boolean autoNameIndexes; private final Map<String, ComponentConfiguration> componentConfigCache = new HashMap<String, ComponentConfiguration>(); /** * {@inheritDoc} */ @Override protected ComponentConfiguration getComponentConfiguration(String name) throws MojoExecutionException { ComponentConfiguration cfg = componentConfigCache.get(name); if (cfg == null) { cfg = new DelegatingCachingComponentConfiguration(super.getComponentConfiguration(name)); componentConfigCache.put(name, cfg); } return cfg; } /** * {@inheritDoc} */ @Override protected void doExecute() throws MojoExecutionException { if (autoNameIndexes) { String implementation = getComponentProperty("implementation", getComponent().getImplementation()); Configuration configuration = getComponentConfiguration(implementation).getConfiguration(this); handleAutoNamingIndexes(configuration); } super.doExecute(); } private void handleAutoNamingIndexes(Configuration configuration) { @SuppressWarnings("unchecked") Iterator<Table> iter = configuration.getTableMappings(); while (iter.hasNext()) { Table table = iter.next(); processTableIndexNames(table); } } private void processTableIndexNames(Table table) { if (table.isPhysicalTable()) { @SuppressWarnings("unchecked") Iterator<Index> subIter = table.getIndexIterator(); while (subIter.hasNext()) { // for each index that has no name, generate a unique name Index index = subIter.next(); if (index.getName().startsWith(GENERATE_INDEX_NAME_PREFIX)) { index.setName(gegenerateIndexName(table, index)); } } } } private String gegenerateIndexName(Table table, Index index) { List<String> columnNames = new ArrayList<String>(); @SuppressWarnings("unchecked") Iterator<Column> columns = index.getColumnIterator(); while (columns.hasNext()) { columnNames.add(columns.next().getName()); } return "IX" + table.uniqueColumnString(columnNames.iterator()); } }