mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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06b7b23148
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@42834 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
333 lines
13 KiB
Java
333 lines
13 KiB
Java
package org.alfresco.repo.module.tool;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Properties;
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import java.util.jar.Attributes;
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import java.util.jar.JarFile;
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import java.util.jar.Manifest;
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import org.alfresco.repo.module.ModuleDetailsImpl;
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import org.alfresco.service.cmr.module.ModuleDependency;
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import org.alfresco.service.cmr.module.ModuleDetails;
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import org.alfresco.util.VersionNumber;
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import de.schlichtherle.truezip.file.TFile;
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import de.schlichtherle.truezip.file.TFileInputStream;
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/**
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* Performs logic for the Module Management Tool.
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*
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* @author Gethin James
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*/
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public class WarHelperImpl implements WarHelper
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{
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public static final String VERSION_PROPERTIES = "/WEB-INF/classes/alfresco/version.properties";
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public static final String MANIFEST_FILE = "/META-INF/MANIFEST.MF";
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//see http://docs.oracle.com/javase/6/docs/technotes/guides/jar/jar.html#Main%20Attributes
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public static final String MANIFEST_SPECIFICATION_TITLE = "Specification-Title";
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public static final String MANIFEST_SPECIFICATION_VERSION = "Specification-Version";
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public static final String MANIFEST_IMPLEMENTATION_TITLE = "Implementation-Title";
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public static final String MANIFEST_SHARE = "Alfresco Share";
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public static final String MANIFEST_COMMUNITY = "Community";
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protected static final String REGEX_NUMBER_OR_DOT = "[0-9\\.]*";
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private LogOutput log = null;
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public WarHelperImpl(LogOutput log)
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{
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super();
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this.log = log;
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}
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@Override
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public void checkCompatibleVersion(TFile war, ModuleDetails installingModuleDetails)
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{
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//Version check
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TFile propsFile = new TFile(war+VERSION_PROPERTIES);
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if (propsFile != null && propsFile.exists())
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{
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Properties warVers = loadProperties(propsFile);
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VersionNumber warVersion = new VersionNumber(warVers.getProperty("version.major")+"."+warVers.getProperty("version.minor")+"."+warVers.getProperty("version.revision"));
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checkVersions(warVersion, installingModuleDetails);
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}
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else
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{
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checkCompatibleVersionUsingManifest(war,installingModuleDetails);
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}
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}
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/**
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* Checks if the module is compatible using the entry in the manifest. This is more accurate and works for both alfresco.war and share.war, however
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* valid manifest entries weren't added until 3.4.11, 4.1.1 and Community 4.2
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* @param war
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* @param installingModuleDetails
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*/
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protected void checkCompatibleVersionUsingManifest(TFile war, ModuleDetails installingModuleDetails)
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{
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String version = findManifestArtibute(war, MANIFEST_SPECIFICATION_VERSION);
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if (version != null && version.length() > 0)
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{
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if (version.matches(REGEX_NUMBER_OR_DOT)) {
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VersionNumber warVersion = new VersionNumber(version);
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checkVersions(warVersion, installingModuleDetails);
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}
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else
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{
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//A non-numeric version number. Currently our VersionNumber class doesn't support Strings in the version
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String edition = findManifestArtibute(war, MANIFEST_IMPLEMENTATION_TITLE);
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if (edition.endsWith(MANIFEST_COMMUNITY))
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{
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//If it's a community version, so don't worry about it
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log.info("WARNING: Community edition war detected, the version number is non-numeric so we will not validate it.");
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}
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else
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{
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throw new ModuleManagementToolException("Invalid version number specified: "+ version);
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}
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}
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}
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else
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{
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log.info("WARNING: No version information detected in war, therefore version validation is disabled, continuing anyway. Is this war prior to 3.4.11, 4.1.1 and Community 4.2 ?");
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}
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}
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/**
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* Finds a single attribute from a war manifest file.
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* @param war the war
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* @param attributeName key name of attribute
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* @return attribute value
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* @throws ModuleManagementToolException
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*/
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protected String findManifestArtibute(TFile war, String attributeName) throws ModuleManagementToolException {
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InputStream is = null;
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try
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{
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is = new TFileInputStream(war+MANIFEST_FILE);
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Manifest manifest = new Manifest(is);
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Attributes attribs = manifest.getMainAttributes();
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return attribs.getValue(attributeName);
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}
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catch (IOException e)
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{
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throw new ModuleManagementToolException("Unabled to read a manifest for the war file: "+ war);
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}
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finally
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{
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if (is != null)
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{
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try { is.close(); } catch (Throwable e ) {}
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}
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}
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}
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/**
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* Compares the version information with the module details to see if their valid. If they are invalid then it throws an exception.
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* @param warVersion
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* @param installingModuleDetails
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* @throws ModuleManagementToolException
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*/
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private void checkVersions(VersionNumber warVersion, ModuleDetails installingModuleDetails) throws ModuleManagementToolException
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{
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if(warVersion.compareTo(installingModuleDetails.getRepoVersionMin())==-1) {
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throw new ModuleManagementToolException("The module ("+installingModuleDetails.getTitle()+") must be installed on a war version greater than "+installingModuleDetails.getRepoVersionMin());
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}
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if(warVersion.compareTo(installingModuleDetails.getRepoVersionMax())==1) {
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throw new ModuleManagementToolException("The module ("+installingModuleDetails.getTitle()+") cannot be installed on a war version greater than "+installingModuleDetails.getRepoVersionMax());
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}
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}
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@Override
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public void checkCompatibleEdition(TFile war, ModuleDetails installingModuleDetails)
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{
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List<String> installableEditions = installingModuleDetails.getEditions();
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if (installableEditions != null && installableEditions.size() > 0) {
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TFile propsFile = new TFile(war+VERSION_PROPERTIES);
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if (propsFile != null && propsFile.exists())
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{
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Properties warVers = loadProperties(propsFile);
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String warEdition = warVers.getProperty("version.edition");
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for (String edition : installableEditions)
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{
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if (warEdition.equalsIgnoreCase(edition))
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{
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return; //successful match.
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}
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}
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throw new ModuleManagementToolException("The module ("+installingModuleDetails.getTitle()
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+") can only be installed in one of the following editions"+installableEditions);
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} else {
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checkCompatibleEditionUsingManifest(war,installingModuleDetails);
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}
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}
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}
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/**
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* Checks to see if the module that is being installed is compatible with the war, (using the entry in the manifest).
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* This is more accurate and works for both alfresco.war and share.war, however
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* valid manifest entries weren't added until 3.4.11, 4.1.1 and Community 4.2
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* @param war
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* @param installingModuleDetails
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*/
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public void checkCompatibleEditionUsingManifest(TFile war, ModuleDetails installingModuleDetails)
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{
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List<String> installableEditions = installingModuleDetails.getEditions();
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if (installableEditions != null && installableEditions.size() > 0) {
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String warEdition = findManifestArtibute(war, MANIFEST_IMPLEMENTATION_TITLE);
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if (warEdition != null && warEdition.length() > 0)
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{
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warEdition = warEdition.toLowerCase();
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for (String edition : installableEditions)
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{
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if (warEdition.endsWith(edition.toLowerCase()))
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{
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return; //successful match.
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}
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}
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throw new ModuleManagementToolException("The module ("+installingModuleDetails.getTitle()
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+") can only be installed in one of the following editions"+installableEditions);
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} else {
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log.info("WARNING: No edition information detected in war, edition validation is disabled, continuing anyway. Is this war prior to 3.4.11, 4.1.1 and Community 4.2 ?");
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}
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}
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}
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@Override
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public void checkModuleDependencies(TFile war, ModuleDetails installingModuleDetails)
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{
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// Check that the target war has the necessary dependencies for this install
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List<ModuleDependency> installingModuleDependencies = installingModuleDetails.getDependencies();
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List<ModuleDependency> missingDependencies = new ArrayList<ModuleDependency>(0);
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for (ModuleDependency dependency : installingModuleDependencies)
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{
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String dependencyId = dependency.getDependencyId();
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ModuleDetails dependencyModuleDetails = getModuleDetails(war, dependencyId);
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// Check the dependency. The API specifies that a null returns false, so no null check is required
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if (!dependency.isValidDependency(dependencyModuleDetails))
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{
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missingDependencies.add(dependency);
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continue;
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}
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}
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if (missingDependencies.size() > 0)
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{
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throw new ModuleManagementToolException("The following modules must first be installed: " + missingDependencies);
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}
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}
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@Override
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public ModuleDetails getModuleDetailsOrAlias(TFile war, ModuleDetails installingModuleDetails)
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{
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ModuleDetails installedModuleDetails = getModuleDetails(war, installingModuleDetails.getId());
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if (installedModuleDetails == null)
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{
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// It might be there as one of the aliases
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List<String> installingAliases = installingModuleDetails.getAliases();
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for (String installingAlias : installingAliases)
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{
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ModuleDetails installedAliasModuleDetails = getModuleDetails(war, installingAlias);
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if (installedAliasModuleDetails == null)
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{
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// There is nothing by that alias
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continue;
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}
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// We found an alias and will treat it as the same module
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installedModuleDetails = installedAliasModuleDetails;
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//outputMessage("Module '" + installingAlias + "' is installed and is an alias of '" + installingModuleDetails + "'", false);
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break;
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}
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}
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return installedModuleDetails;
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}
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@Override
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public boolean isShareWar(TFile warFile)
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{
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if (!warFile.exists())
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{
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throw new ModuleManagementToolException("The war file '" + warFile + "' does not exist.");
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}
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String title = findManifestArtibute(warFile, MANIFEST_SPECIFICATION_TITLE);
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if (MANIFEST_SHARE.equals(title)) return true; //It is share
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return false; //default
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}
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/**
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* Gets the module details for the specified module from the war.
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* @param war a valid war file or exploded directory from a war
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* @param moduleId
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* @return
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*/
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protected ModuleDetails getModuleDetails(TFile war, String moduleId)
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{
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ModuleDetails moduleDets = null;
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TFile theFile = getModuleDetailsFile(war, moduleId);
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if (theFile != null && theFile.exists())
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{
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moduleDets = new ModuleDetailsImpl(loadProperties(theFile));
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}
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return moduleDets;
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}
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/**
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* Reads a .properites file from the war and returns it as a Properties object
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* @param propertiesPath Path to the properties file (including .properties)
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* @return Properties object or null
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*/
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private Properties loadProperties(TFile propertiesFile)
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{
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Properties result = null;
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InputStream is = null;
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try
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{
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if (propertiesFile.exists())
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{
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is = new TFileInputStream(propertiesFile);
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result = new Properties();
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result.load(is);
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}
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}
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catch (IOException exception)
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{
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throw new ModuleManagementToolException("Unable to load properties from the war file; "+propertiesFile.getPath(), exception);
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}
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finally
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{
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if (is != null)
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{
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try { is.close(); } catch (Throwable e ) {}
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}
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}
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return result;
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}
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private TFile getModuleDetailsFile(TFile war, String moduleId)
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{
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return new TFile(war.getAbsolutePath()+MODULE_NAMESPACE_DIR+ "/" + moduleId+MODULE_CONFIG_IN_WAR);
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}
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}
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