tweak the JAXB facet version constants again

1 files changed, 184 insertions, 0 deletions

diff --git a/jaxb/plugins/org.eclipse.jpt.jaxb.core/src/org/eclipse/jpt/jaxb/core/internal/libval/JaxbLibraryValidatorTools.java b/jaxb/plugins/org.eclipse.jpt.jaxb.core/src/org/eclipse/jpt/jaxb/core/internal/libval/JaxbLibraryValidatorTools.java
new file mode 100644
index 0000000000..53cd6f73b6
--- /dev/null
+++ b/jaxb/plugins/org.eclipse.jpt.jaxb.core/src/org/eclipse/jpt/jaxb/core/internal/libval/JaxbLibraryValidatorTools.java
@@ -0,0 +1,184 @@
+/*******************************************************************************

+ * Copyright (c) 2011, 2013 Oracle. All rights reserved.

+ * This program and the accompanying materials are made available under the

+ * terms of the Eclipse Public License v1.0, which accompanies this distribution

+ * and is available at http://www.eclipse.org/legal/epl-v10.html.

+ * 

+ * Contributors:

+ *     Oracle - initial API and implementation

+ ******************************************************************************/

+package org.eclipse.jpt.jaxb.core.internal.libval;

+

+import java.io.File;

+import java.io.IOException;

+import java.util.zip.ZipFile;

+import org.eclipse.core.runtime.CoreException;

+import org.eclipse.core.runtime.IPath;

+import org.eclipse.jdt.core.IJavaProject;

+import org.eclipse.jdt.core.JavaCore;

+import org.eclipse.jdt.launching.IVMInstall;

+import org.eclipse.jdt.launching.IVMInstall2;

+import org.eclipse.jdt.launching.IVMInstallType;

+import org.eclipse.jdt.launching.JavaRuntime;

+import org.eclipse.jdt.launching.LibraryLocation;

+import org.eclipse.jpt.common.core.internal.libval.LibraryValidatorTools;

+import org.eclipse.jpt.common.core.libprov.JptLibraryProviderInstallOperationConfig;

+import org.eclipse.jpt.common.utility.internal.iterable.ArrayIterable;

+import org.eclipse.jpt.common.utility.internal.iterable.TransformationIterable;

+import org.eclipse.jpt.jaxb.core.JaxbProject;

+import org.eclipse.jst.common.project.facet.core.JavaFacet;

+import org.eclipse.jst.common.project.facet.core.StandardJreRuntimeComponent;

+import org.eclipse.wst.common.project.facet.core.IFacetedProjectBase;

+import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;

+import org.eclipse.wst.common.project.facet.core.runtime.IRuntime;

+import org.eclipse.wst.common.project.facet.core.runtime.IRuntimeComponent;

+

+/**

+ * JAXB

+ * {@link org.eclipse.jpt.common.core.libval.LibraryValidator} utility methods.

+ */

+public class JaxbLibraryValidatorTools {

+

+	/**

+	 * The JAXB facet version string 2.1.

+	 * <p>

+	 * Value: {@value}

+	 */

+	public static final String FACET_VERSION_STRING_2_1 = "2.1"; //$NON-NLS-1$

+

+	/**

+	 * The JAXB facet version 2.1.

+	 */

+	public static final IProjectFacetVersion FACET_VERSION_2_1 = JaxbProject.FACET.getVersion(FACET_VERSION_STRING_2_1);

+

+	/**

+	 * The JAXB facet version string 2.2.

+	 * <p>

+	 * Value: {@value}

+	 */

+	public static final String FACET_VERSION_STRING_2_2 = "2.2"; //$NON-NLS-1$

+

+	/**

+	 * The JAXB facet version 2.2.

+	 */

+	public static final IProjectFacetVersion FACET_VERSION_2_2 = JaxbProject.FACET.getVersion(FACET_VERSION_STRING_2_2);

+

+

+	/** 

+	 * Return the JAXB facet version corresponding to the specified config's

+	 * Java facet version.

+	 * Assume highest update of Java (e.g. Java 1.6 maps to JAXB 2.1)

+	 */

+	public static IProjectFacetVersion findJavaJaxbVersion(JptLibraryProviderInstallOperationConfig config) {

+		IProjectFacetVersion javaVersion = LibraryValidatorTools.getJavaFacetVersion(config);

+		

+		if (javaVersion == JavaFacet.VERSION_1_6) {

+			return FACET_VERSION_2_1;

+		}

+		if (javaVersion == JavaFacet.VERSION_1_7) {

+			return FACET_VERSION_2_2;

+		}

+		

+		return null;

+	}

+

+	/**

+	 * Return the JAXB facet version corresponding to the specified config's JRE.

+	 */

+	public static IProjectFacetVersion findJreJaxbVersion(JptLibraryProviderInstallOperationConfig config) {

+		IVMInstall vmInstall = findVMInstall(config.getFacetedProject());

+		return (vmInstall == null) ? null : findJreJaxbVersion(vmInstall);

+	}

+	

+	private static IVMInstall findVMInstall(IFacetedProjectBase facetedProject) {

+		IVMInstall vm = null;

+		IRuntime runtime = facetedProject.getPrimaryRuntime();

+		if (runtime != null) {

+			for (IRuntimeComponent rc : runtime.getRuntimeComponents()) {

+				vm = findVMInstall(rc);

+				if (vm != null) {

+					return vm;

+				}

+			}

+		}

+

+		IJavaProject javaProject = JavaCore.create(facetedProject.getProject());

+		if (javaProject != null) {	

+			try {

+				vm = JavaRuntime.getVMInstall(javaProject);

+			} catch (CoreException ce) {

+				// do nothing, just use the default install

+			}

+		}

+		return (vm != null) ? vm : JavaRuntime.getDefaultVMInstall();

+	}

+	

+	private static IVMInstall findVMInstall(IRuntimeComponent rc) {

+		String vmInstallTypeId = rc.getProperty(StandardJreRuntimeComponent.PROP_VM_INSTALL_TYPE);

+		if (vmInstallTypeId == null) {

+			return null;

+		}

+		String vmInstallId = rc.getProperty(StandardJreRuntimeComponent.PROP_VM_INSTALL_ID);

+		if (vmInstallId == null) {

+			return null;

+		}

+		IVMInstallType vmInstallType = JavaRuntime.getVMInstallType(vmInstallTypeId);

+		return (vmInstallType == null) ? null : vmInstallType.findVMInstall(vmInstallId);

+	}

+	

+	private static IProjectFacetVersion findJreJaxbVersion(IVMInstall vm) {

+		if (vm instanceof IVMInstall2) {

+			String javaVersion = ((IVMInstall2) vm).getJavaVersion();

+			if (javaVersion != null) {

+				// all other versions except 1.7 and 1.6 have no corresponding version (as of yet)

+				if (javaVersion.startsWith(JavaCore.VERSION_1_7)) {

+					return FACET_VERSION_2_2;

+				}

+				// 1.6 must be further analyzed

+				if (! javaVersion.startsWith(JavaCore.VERSION_1_6)) {

+					return null;

+				}

+			}

+		}

+		

+		boolean foundXmlSeeAlso = false;  // marker for jaxb 2.1 +

+		for (IPath vmLibPath : buildLibraryPaths(vm)) {

+			File file = vmLibPath.toFile();

+			if (file.exists()) {

+				ZipFile zipFile = null;

+				try {

+					zipFile = new ZipFile(file);

+					if (zipFile.getEntry(JAXB_PERMISSION) != null) {

+						// short circuit for JAXB 2.2

+						return FACET_VERSION_2_2;

+					}

+					foundXmlSeeAlso |= (zipFile.getEntry(XML_SEE_ALSO) != null);

+				} catch (IOException ex) {

+					// ignore

+				} finally {

+					if (zipFile != null) {

+						try {

+							zipFile.close();

+						} catch (IOException ex) {

+							// ignore

+						}

+					}

+				}

+			}

+		}

+		return foundXmlSeeAlso ? FACET_VERSION_2_1 : null;

+	}

+

+	private static Iterable<IPath> buildLibraryPaths(IVMInstall vm) {

+			return new TransformationIterable<LibraryLocation, IPath>(

+					new ArrayIterable<LibraryLocation>(JavaRuntime.getLibraryLocations(vm))) {

+				@Override

+				protected IPath transform(LibraryLocation libraryLocation) {

+					return libraryLocation.getSystemLibraryPath();

+				}

+			};

+	}

+

+	private static final String XML_SEE_ALSO = "javax/xml/bind/annotation/XmlSeeAlso.class"; //$NON-NLS-1$

+	private static final String JAXB_PERMISSION = "javax/xml/bind/JAXBPermission.class"; //$NON-NLS-1$

+}