Java tutorial
/* * ------------------------------------------------------------------------ * Copyright by KNIME AG, Zurich, Switzerland * Website: http://www.knime.com; Email: contact@knime.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, Version 3, as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses>. * * Additional permission under GNU GPL version 3 section 7: * * KNIME interoperates with ECLIPSE solely via ECLIPSE's plug-in APIs. * Hence, KNIME and ECLIPSE are both independent programs and are not * derived from each other. Should, however, the interpretation of the * GNU GPL Version 3 ("License") under any applicable laws result in * KNIME and ECLIPSE being a combined program, KNIME AG herewith grants * you the additional permission to use and propagate KNIME together with * ECLIPSE with only the license terms in place for ECLIPSE applying to * ECLIPSE and the GNU GPL Version 3 applying for KNIME, provided the * license terms of ECLIPSE themselves allow for the respective use and * propagation of ECLIPSE together with KNIME. * * Additional permission relating to nodes for KNIME that extend the Node * Extension (and in particular that are based on subclasses of NodeModel, * NodeDialog, and NodeView) and that only interoperate with KNIME through * standard APIs ("Nodes"): * Nodes are deemed to be separate and independent programs and to not be * covered works. Notwithstanding anything to the contrary in the * License, the License does not apply to Nodes, you are not required to * license Nodes under the License, and you are granted a license to * prepare and propagate Nodes, in each case even if such Nodes are * propagated with or for interoperation with KNIME. The owner of a Node * may freely choose the license terms applicable to such Node, including * when such Node is propagated with or for interoperation with KNIME. * --------------------------------------------------------------------- * * History * 03.03.2008 (Kilian Thiel): created */ package org.knime.ext.textprocessing.preferences; import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer; import org.eclipse.jface.preference.IPreferenceStore; import org.knime.ext.textprocessing.TextprocessingCorePlugin; /** * * @author Kilian Thiel, University of Konstanz */ public class TextprocessingPreferenceInitializer extends AbstractPreferenceInitializer { /** The default serialization setting. */ public static final boolean DEFAULT_DML_DESERIALIZATION = true; /** The default row preprocessing setting. */ public static final boolean DEFAULT_ROW_PREPROCESSING = true; /*** The default size of the tokenizer pool. */ public static final int DEFAULT_TOKENIZER_POOLSIZE = 10; /*** The default tokenizer. */ public static final String DEFAULT_TOKENIZER = "OpenNLP English WordTokenizer"; /** The default setting whether tokenizer pool is initialized on startup. */ public static final boolean DEFAULT_TOKENIZER_INIT_ONSTARTUP = true; /*** The maximum size of the tokenizer pool. */ public static final int MAX_TOKENIZER_POOLSIZE = 1000; /** Preference key for the usage of backwards compatibility. */ public static final String PREF_DML_DESERIALIZATION = "knime.textprocessing.dmldeserialization"; /** Preference key for the usage of row preprocessing. * @deprecated setting is not used anymore. * */ @Deprecated public static final String PREF_ROW_PREPROCESSING = "knime.textprocessing.rowpreprocessing"; /** Preference key for the tokenizer pool size. */ public static final String PREF_TOKENIZER_POOLSIZE = "knime.textprocessing.tokenizer.poolsize"; /** Preference key setting whether tokenizer pool is initialized on startup. */ public static final String PREF_TOKENIZER_INIT_ONSTARTUP = "knime.textprocessing.tokenizer.initonstartup"; /** * Preference key for the tokenizer. */ public static final String PREF_TOKENIZER = "knime.textprocessing.tokenizer.tokenizer"; /** * {@inheritDoc} */ @Override public void initializeDefaultPreferences() { IPreferenceStore store = TextprocessingCorePlugin.getDefault().getPreferenceStore(); //set default values store.setDefault(PREF_DML_DESERIALIZATION, DEFAULT_DML_DESERIALIZATION); store.setDefault(PREF_ROW_PREPROCESSING, DEFAULT_ROW_PREPROCESSING); store.setDefault(PREF_TOKENIZER_POOLSIZE, DEFAULT_TOKENIZER_POOLSIZE); store.setDefault(PREF_TOKENIZER, DEFAULT_TOKENIZER); } /** * Returns true if dml deserialization has to be applied. * * @return the dml deserialization setting */ public static boolean useDmlDeserialization() { final IPreferenceStore pStore = TextprocessingCorePlugin.getDefault().getPreferenceStore(); if (!pStore.contains(PREF_DML_DESERIALIZATION)) { return DEFAULT_DML_DESERIALIZATION; } return pStore.getBoolean(PREF_DML_DESERIALIZATION); } /** * Returns true if row preprocessing has to be applied. * * @return the preprocessing policy * @deprecated setting is not used anymore. */ @Deprecated public static boolean useRowPreprocessing() { final IPreferenceStore pStore = TextprocessingCorePlugin.getDefault().getPreferenceStore(); if (!pStore.contains(PREF_ROW_PREPROCESSING)) { return DEFAULT_ROW_PREPROCESSING; } return pStore.getBoolean(PREF_ROW_PREPROCESSING); } /** * Returns the size of the tokenizer pool. * * @return the size of the tokenizer pool. */ public static int tokenizerPoolSize() { final IPreferenceStore pStore = TextprocessingCorePlugin.getDefault().getPreferenceStore(); if (!pStore.contains(PREF_TOKENIZER_POOLSIZE)) { return DEFAULT_TOKENIZER_POOLSIZE; } return pStore.getInt(PREF_TOKENIZER_POOLSIZE); } /** * Returns the select tokenizer name. If not tokenizer is selected, the default tokenizer will be returned. * * @return a tokenizer name */ public static String tokenizerName() { final IPreferenceStore pStore = TextprocessingCorePlugin.getDefault().getPreferenceStore(); if (!pStore.contains(PREF_TOKENIZER)) { return DEFAULT_TOKENIZER; } return pStore.getString(PREF_TOKENIZER); } }