# HG changeset patch # User Alexander Simon # Date 1320660025 -10800 # Node ID 1ba9ea1cc8ca623e1b7a5a4520e36a85749a1f34 # Parent 1744e2c682e3fcf21c62fb83589f09be24a690ff first variant Bug #199534 Line Separator is attribute of FileSystem diff --git a/queries/src/org/netbeans/api/queries/FileLineSeparatorQuery.java b/queries/src/org/netbeans/api/queries/FileLineSeparatorQuery.java new file mode 100644 --- /dev/null +++ b/queries/src/org/netbeans/api/queries/FileLineSeparatorQuery.java @@ -0,0 +1,75 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2011 Oracle and/or its affiliates. All rights reserved. + * + * Oracle and Java are registered trademarks of Oracle and/or its affiliates. + * Other names may be trademarks of their respective owners. + * + * The contents of this file are subject to the terms of either the GNU + * General Public License Version 2 only ("GPL") or the Common + * Development and Distribution License("CDDL") (collectively, the + * "License"). You may not use this file except in compliance with the + * License. You can obtain a copy of the License at + * http://www.netbeans.org/cddl-gplv2.html + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the + * specific language governing permissions and limitations under the + * License. When distributing the software, include this License Header + * Notice in each file and include the License file at + * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the GPL Version 2 section of the License file that + * accompanied this code. If applicable, add the following below the + * License Header, with the fields enclosed by brackets [] replaced by + * your own identifying information: + * "Portions Copyrighted [year] [name of copyright owner]" + * + * If you wish your version of this file to be governed by only the CDDL + * or only the GPL Version 2, indicate your decision by adding + * "[Contributor] elects to include this software in this distribution + * under the [CDDL or GPL Version 2] license." If you do not indicate a + * single choice of license, a recipient has the option to distribute + * your version of this file under either the CDDL, the GPL Version 2 or + * to extend the choice of license to its licensees as provided above. + * However, if you add GPL Version 2 code and therefore, elected the GPL + * Version 2 license, then the option applies only if the new code is + * made subject to such option by the copyright holder. + * + * Contributor(s): + * + * Portions Copyrighted 2011 Sun Microsystems, Inc. + */ +package org.netbeans.api.queries; + +import org.netbeans.spi.queries.FileLineSeparatorQueryImplementation; +import org.openide.filesystems.FileObject; +import org.openide.util.Lookup; +import org.openide.util.Parameters; + + +/** + * + * @author Alexander Simon + */ +public class FileLineSeparatorQuery { + private static final Lookup.Result implementations = + Lookup.getDefault().lookupResult(FileLineSeparatorQueryImplementation.class); + + private FileLineSeparatorQuery() {} + + /** + * Returns default line separator of a given file. + * @param file a file. + * @return default line separator + */ + public static String getLineSeparator(FileObject file) { + Parameters.notNull("file", file); + for (FileLineSeparatorQueryImplementation qi : implementations.allInstances()) { + String res = qi.getLineSeparator(file); + if (res != null) { + return res; + } + } + return System.getProperty("line.separator"); // NOI18N + } +} diff --git a/queries/src/org/netbeans/spi/queries/FileLineSeparatorQueryImplementation.java b/queries/src/org/netbeans/spi/queries/FileLineSeparatorQueryImplementation.java new file mode 100644 --- /dev/null +++ b/queries/src/org/netbeans/spi/queries/FileLineSeparatorQueryImplementation.java @@ -0,0 +1,60 @@ +/* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. + * + * Copyright 2011 Oracle and/or its affiliates. All rights reserved. + * + * Oracle and Java are registered trademarks of Oracle and/or its affiliates. + * Other names may be trademarks of their respective owners. + * + * The contents of this file are subject to the terms of either the GNU + * General Public License Version 2 only ("GPL") or the Common + * Development and Distribution License("CDDL") (collectively, the + * "License"). You may not use this file except in compliance with the + * License. You can obtain a copy of the License at + * http://www.netbeans.org/cddl-gplv2.html + * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the + * specific language governing permissions and limitations under the + * License. When distributing the software, include this License Header + * Notice in each file and include the License file at + * nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the GPL Version 2 section of the License file that + * accompanied this code. If applicable, add the following below the + * License Header, with the fields enclosed by brackets [] replaced by + * your own identifying information: + * "Portions Copyrighted [year] [name of copyright owner]" + * + * If you wish your version of this file to be governed by only the CDDL + * or only the GPL Version 2, indicate your decision by adding + * "[Contributor] elects to include this software in this distribution + * under the [CDDL or GPL Version 2] license." If you do not indicate a + * single choice of license, a recipient has the option to distribute + * your version of this file under either the CDDL, the GPL Version 2 or + * to extend the choice of license to its licensees as provided above. + * However, if you add GPL Version 2 code and therefore, elected the GPL + * Version 2 license, then the option applies only if the new code is + * made subject to such option by the copyright holder. + * + * Contributor(s): + * + * Portions Copyrighted 2011 Sun Microsystems, Inc. + */ +package org.netbeans.spi.queries; + +import org.openide.filesystems.FileObject; + +/** + * A query which should typically be provided by file system implementors to give default line separator for the file system. + * + * @author Alexander Simon + */ +public interface FileLineSeparatorQueryImplementation { + /** + * Returns default line separator of a given file. + * @param file to find an default line separator for + * @return line separator which should be used for creating given file + * or null when nothing is known about the file line separator. + */ + String getLineSeparator(FileObject file); + +}