Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2019 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation * Harry Terkelsen (het@google.com) - Bug 449262 - Allow the use of third-party Java formatters * Gbor Kvesdn - Contribution for Bug 350000 - [content assist] Include non-prefix matches in auto-complete suggestions *******************************************************************************/ package org.eclipse.jdt.internal.core; import java.util.HashSet; import java.util.Iterator; import java.util.Map; import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer; import org.eclipse.core.runtime.preferences.DefaultScope; import org.eclipse.core.runtime.preferences.IEclipsePreferences; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants; import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; import org.eclipse.jdt.internal.core.nd.db.ChunkCache; /** * JavaCore eclipse preferences initializer. * Initially done in JavaCore.initializeDefaultPreferences which was deprecated * with new eclipse preferences mechanism. */ @SuppressWarnings({ "unchecked", "rawtypes" }) public class JavaCorePreferenceInitializer extends AbstractPreferenceInitializer { /** * @see org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer#initializeDefaultPreferences() */ @Override public void initializeDefaultPreferences() { // If modified, also modify the method JavaModelManager#getDefaultOptionsNoInitialization() // and also consider updating org.eclipse.jdt.internal.compiler.batch.Main#initializeWarnings(String) // Get options names set HashSet optionNames = JavaModelManager.getJavaModelManager().optionNames; // Compiler settings Map defaultOptionsMap = new CompilerOptions().getMap(); // compiler defaults String testDefaults = System.getProperty("jdt.default.test.compliance"); //$NON-NLS-1$ if (testDefaults != null) { defaultOptionsMap.put(JavaCore.COMPILER_SOURCE, testDefaults); defaultOptionsMap.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, testDefaults); defaultOptionsMap.put(JavaCore.COMPILER_COMPLIANCE, testDefaults); } // Override some compiler defaults defaultOptionsMap.put(JavaCore.COMPILER_LOCAL_VARIABLE_ATTR, JavaCore.GENERATE); defaultOptionsMap.put(JavaCore.COMPILER_CODEGEN_UNUSED_LOCAL, JavaCore.PRESERVE); defaultOptionsMap.put(JavaCore.COMPILER_TASK_TAGS, JavaCore.DEFAULT_TASK_TAGS); defaultOptionsMap.put(JavaCore.COMPILER_TASK_PRIORITIES, JavaCore.DEFAULT_TASK_PRIORITIES); defaultOptionsMap.put(JavaCore.COMPILER_TASK_CASE_SENSITIVE, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE, JavaCore.ERROR); // Builder settings defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH, JavaCore.ABORT); defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE, JavaCore.WARNING); defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER, JavaCore.CLEAN); defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_RECREATE_MODIFIED_CLASS_FILES_IN_OUTPUT_FOLDER, JavaCore.IGNORE); // JavaCore settings defaultOptionsMap.put(JavaCore.CORE_JAVA_BUILD_ORDER, JavaCore.IGNORE); defaultOptionsMap.put(JavaCore.CORE_INCOMPLETE_CLASSPATH, JavaCore.ERROR); defaultOptionsMap.put(JavaCore.CORE_CIRCULAR_CLASSPATH, JavaCore.ERROR); defaultOptionsMap.put(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL, JavaCore.IGNORE); defaultOptionsMap.put(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CORE_OUTPUT_LOCATION_OVERLAPPING_ANOTHER_SOURCE, JavaCore.ERROR); defaultOptionsMap.put(JavaCore.CORE_MAIN_ONLY_PROJECT_HAS_TEST_ONLY_DEPENDENCY, JavaCore.ERROR); // encoding setting comes from resource plug-in optionNames.add(JavaCore.CORE_ENCODING); // Formatter settings Map codeFormatterOptionsMap = DefaultCodeFormatterConstants.getEclipseDefaultSettings(); // code formatter defaults for (Iterator iter = codeFormatterOptionsMap.entrySet().iterator(); iter.hasNext();) { Map.Entry entry = (Map.Entry) iter.next(); String optionName = (String) entry.getKey(); defaultOptionsMap.put(optionName, entry.getValue()); optionNames.add(optionName); } defaultOptionsMap.put(JavaCore.JAVA_FORMATTER, JavaCore.DEFAULT_JAVA_FORMATTER); // CodeAssist settings defaultOptionsMap.put(JavaCore.CODEASSIST_VISIBILITY_CHECK, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_DEPRECATION_CHECK, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_IMPLICIT_QUALIFICATION, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_FIELD_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FIELD_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FINAL_FIELD_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_LOCAL_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_ARGUMENT_PREFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_FIELD_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FIELD_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_STATIC_FINAL_FIELD_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_LOCAL_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_ARGUMENT_SUFFIXES, ""); //$NON-NLS-1$ defaultOptionsMap.put(JavaCore.CODEASSIST_FORBIDDEN_REFERENCE_CHECK, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_DISCOURAGED_REFERENCE_CHECK, JavaCore.DISABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_CAMEL_CASE_MATCH, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_SUBSTRING_MATCH, JavaCore.ENABLED); defaultOptionsMap.put(JavaCore.CODEASSIST_SUGGEST_STATIC_IMPORTS, JavaCore.ENABLED); defaultOptionsMap.put(ChunkCache.CHUNK_CACHE_SIZE_MB, Double.toString(ChunkCache.CHUNK_CACHE_SIZE_MB_DEFAULT)); defaultOptionsMap.put(ChunkCache.CHUNK_CACHE_SIZE_PERCENT, Double.toString(ChunkCache.CHUNK_CACHE_SIZE_PERCENT_DEFAULT)); // Time out for parameter names defaultOptionsMap.put(JavaCore.TIMEOUT_FOR_PARAMETER_NAME_FROM_ATTACHED_JAVADOC, "50"); //$NON-NLS-1$ // Store default values to default preferences IEclipsePreferences defaultPreferences = DefaultScope.INSTANCE.getNode(JavaCore.PLUGIN_ID); for (Iterator iter = defaultOptionsMap.entrySet().iterator(); iter.hasNext();) { Map.Entry entry = (Map.Entry) iter.next(); String optionName = (String) entry.getKey(); defaultPreferences.put(optionName, (String) entry.getValue()); optionNames.add(optionName); } // Initialize deprecated options initializeDeprecatedOptions(); } /** * Note: For deprecated formatter options, you may also add migration to their replacement options in * {@link org.eclipse.jdt.internal.formatter.DefaultCodeFormatterOptions#setDeprecatedOptions}. * * @deprecated As using deprecated options */ private void initializeDeprecatedOptions() { Map deprecatedOptions = JavaModelManager.getJavaModelManager().deprecatedOptions; deprecatedOptions.put(DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_MEMBER, new String[] { DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_FIELD, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_METHOD, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_PACKAGE, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_TYPE }); deprecatedOptions.put(DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION, new String[] { DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_FIELD, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_METHOD, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_PACKAGE, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_TYPE, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_LOCAL_VARIABLE, DefaultCodeFormatterConstants.FORMATTER_INSERT_NEW_LINE_AFTER_ANNOTATION_ON_PARAMETER }); deprecatedOptions.put(DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_BINARY_EXPRESSION, new String[] { DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_MULTIPLICATIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_ADDITIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_STRING_CONCATENATION, DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_BITWISE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_LOGICAL_OPERATOR, }); deprecatedOptions.put(DefaultCodeFormatterConstants.FORMATTER_WRAP_BEFORE_BINARY_OPERATOR, new String[] { DefaultCodeFormatterConstants.FORMATTER_WRAP_BEFORE_MULTIPLICATIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_WRAP_BEFORE_ADDITIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_WRAP_BEFORE_STRING_CONCATENATION, DefaultCodeFormatterConstants.FORMATTER_WRAP_BEFORE_BITWISE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_WRAP_BEFORE_LOGICAL_OPERATOR, }); deprecatedOptions.put(DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_BINARY_OPERATOR, new String[] { DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_MULTIPLICATIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_ADDITIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_STRING_CONCATENATION, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_SHIFT_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_RELATIONAL_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_BITWISE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_LOGICAL_OPERATOR, }); deprecatedOptions.put(DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_BINARY_OPERATOR, new String[] { DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_MULTIPLICATIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_ADDITIVE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_STRING_CONCATENATION, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_SHIFT_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_RELATIONAL_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_BITWISE_OPERATOR, DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_LOGICAL_OPERATOR, }); } }