| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.netbeans.api.java.platform; |
| |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeSupport; |
| import java.net.URL; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import org.netbeans.api.java.classpath.ClassPath; |
| import org.openide.filesystems.FileObject; |
| |
| /** |
| * JavaPlatform describes a java platform in a way that the IDE tools may utilize. It may serve as |
| * description of the platform a java project targets, or it may provide access to tools from the |
| * particular SDK installation. It also provides information about individual platforms, for example |
| * the Java platform version implemented, vendor name or implementation version. It is also possible |
| * to enumerate services that the IDE supports, which are implemented as a part of the Platform. |
| * |
| * @author Radko Najman, Svata Dedic, Tomas Zezula |
| */ |
| public abstract class JavaPlatform { |
| |
| //List of names of mutable properties |
| /** |
| * Property name for displayName |
| */ |
| public static final String PROP_DISPLAY_NAME = "displayName"; //NOI18N |
| |
| /** |
| * Property name for sourceFolders |
| */ |
| public static final String PROP_SOURCE_FOLDER = "sourceFolders"; //NOI18N |
| |
| /** |
| * Property name for javadocFolders |
| */ |
| public static final String PROP_JAVADOC_FOLDER ="javadocFolders"; //NOI18N |
| |
| /** |
| * Property name for systemProperties |
| */ |
| public static final String PROP_SYSTEM_PROPERTIES = "systemProperties"; //NOI18N |
| |
| private Map<String,String> sysproperties = Collections.emptyMap(); |
| private PropertyChangeSupport supp; |
| |
| /** Creates a new instance of JavaPlatform */ |
| protected JavaPlatform() { |
| } |
| |
| /** |
| * @return a descriptive, human-readable name of the platform |
| */ |
| public abstract String getDisplayName(); |
| |
| /** |
| * Registers a listener to be notified when some of the platform's properties |
| * change |
| */ |
| public final void addPropertyChangeListener(PropertyChangeListener l) { |
| synchronized (this) { |
| if (supp == null) |
| supp = new PropertyChangeSupport(this); |
| } |
| supp.addPropertyChangeListener(l); |
| } |
| |
| /** |
| * Removes a listener registered previously |
| */ |
| public final void removePropertyChangeListener(PropertyChangeListener l) { |
| if (supp != null) |
| supp.removePropertyChangeListener(l); |
| } |
| |
| /** |
| * Gets some ad-hoc properties defined for this platform. |
| * The precise set of properties is not specified. |
| * <p class="nonnormative"> |
| * Implementations are however advised to include the key |
| * <code>platform.ant.name</code> if they wish to be used in Ant builds; |
| * the value <code>default_platform</code> is conventionally associated |
| * with the default platform. |
| * </p> |
| * @return some properties |
| */ |
| public abstract Map<String,String> getProperties(); |
| |
| /** Gets the java platform system properties. |
| * @return the java platform system properties |
| */ |
| public final Map<String,String> getSystemProperties() { |
| return sysproperties; |
| } |
| |
| /** |
| * Returns a ClassPath, which represents bootstrap libraries for the |
| * runtime environment. The Bootstrap libraries include libraries in |
| * JRE's extension directory, if there are any. |
| * @return ClassPath representing the bootstrap libs |
| */ |
| public abstract ClassPath getBootstrapLibraries(); |
| |
| /** |
| * Returns libraries recognized by default by the platform. Usually |
| * it corresponds to contents of CLASSPATH environment variable. |
| */ |
| public abstract ClassPath getStandardLibraries(); |
| |
| /** |
| * Returns the vendor of the Java SDK |
| * @return String |
| */ |
| public abstract String getVendor (); |
| |
| /** |
| * Returns specification of the Java SDK |
| * @return Specification |
| */ |
| public abstract Specification getSpecification (); |
| |
| /** |
| * Retrieves a collection of {@link FileObject}s of one or more folders |
| * where the Platform is installed. Typically it returns one folder, but |
| * in some cases there can be more of them. |
| * @return collection of installation folders (should be nonempty unless platform is broken) |
| */ |
| public abstract Collection<FileObject> getInstallFolders(); |
| |
| /** |
| * Gets the platform tool executable. |
| * @param toolName the tool platform independent tool name. |
| * @return file representing the tool executable, or null if the tool can not be found |
| */ |
| public abstract FileObject findTool (String toolName); |
| |
| |
| /** |
| * Returns the locations of the source of platform |
| * or empty collection when the location is not set or is invalid |
| * @return ClassPath never returns null |
| */ |
| public abstract ClassPath getSourceFolders (); |
| |
| /** |
| * Returns the locations of the Javadoc for this platform |
| * or empty collection if the location is not set or invalid |
| * @return (non-null) list of locations |
| */ |
| public abstract List<URL> getJavadocFolders (); |
| |
| |
| /** |
| * Checks if the {@link JavaPlatform} is valid. |
| * @return true if the {@link JavaPlatform} is valid, |
| * false when broken. |
| * @since 1.43 |
| */ |
| public boolean isValid() { |
| return !getInstallFolders().isEmpty(); |
| } |
| |
| |
| /** |
| * Get the "default platform", meaning the JDK on which NetBeans itself is running. |
| * @return the default platform, if it can be found, or null |
| * @see JavaPlatformManager#getDefaultPlatform |
| */ |
| public static JavaPlatform getDefault() { |
| return JavaPlatformManager.getDefault().getDefaultPlatform(); |
| } |
| |
| |
| //SPI methods |
| |
| /** Fires PropertyChange to all registered PropertyChangeListeners |
| * @param propName |
| * @param oldValue |
| * @param newValue |
| */ |
| protected final void firePropertyChange(String propName, Object oldValue, Object newValue) { |
| if (supp != null) |
| supp.firePropertyChange(propName, oldValue, newValue); |
| } |
| |
| /** Sets the system properties of java platform. |
| * @param sysproperties the java platform system properties |
| */ |
| protected final void setSystemProperties(Map<String,String> sysproperties) { |
| this.sysproperties = Collections.unmodifiableMap(sysproperties); |
| firePropertyChange(PROP_SYSTEM_PROPERTIES, null, null); // NOI18N |
| } |
| |
| } |