1 files changed, 150 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/rtinfo/internal/DefaultRuntimeInformation.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/rtinfo/internal/DefaultRuntimeInformation.java
new file mode 100644
index 00000000..6a733f9b
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/rtinfo/internal/DefaultRuntimeInformation.java
@@ -0,0 +1,150 @@
+package org.apache.maven.rtinfo.internal;
+
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import org.apache.maven.rtinfo.RuntimeInformation;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Requirement;
+import org.codehaus.plexus.logging.Logger;
+import org.codehaus.plexus.util.IOUtil;
+import org.codehaus.plexus.util.StringUtils;
+import org.eclipse.aether.util.version.GenericVersionScheme;
+import org.eclipse.aether.version.InvalidVersionSpecificationException;
+import org.eclipse.aether.version.Version;
+import org.eclipse.aether.version.VersionConstraint;
+import org.eclipse.aether.version.VersionScheme;
+
+/**
+ * Provides information about the current Maven runtime.
+ */
+@Component( role = RuntimeInformation.class )
+public class DefaultRuntimeInformation
+    implements RuntimeInformation
+{
+
+    @Requirement
+    private Logger logger;
+
+    private String mavenVersion;
+
+    public String getMavenVersion()
+    {
+        if ( mavenVersion == null )
+        {
+            Properties props = new Properties();
+
+            String resource = "META-INF/maven/org.apache.maven/maven-core/pom.properties";
+
+            InputStream is = DefaultRuntimeInformation.class.getResourceAsStream( "/" + resource );
+            if ( is != null )
+            {
+                try
+                {
+                    props.load( is );
+                }
+                catch ( IOException e )
+                {
+                    String msg = "Could not parse " + resource + ", Maven runtime information not available";
+                    if ( logger.isDebugEnabled() )
+                    {
+                        logger.warn( msg, e );
+                    }
+                    else
+                    {
+                        logger.warn( msg );
+                    }
+                }
+                finally
+                {
+                    IOUtil.close( is );
+                }
+            }
+            else
+            {
+                logger.warn( "Could not locate " + resource
+                             + " on classpath, Maven runtime information not available" );
+            }
+
+            String version = props.getProperty( "version", "" ).trim();
+
+            if ( !version.startsWith( "${" ) )
+            {
+                mavenVersion = version;
+            }
+            else
+            {
+                mavenVersion = "";
+            }
+        }
+
+        return mavenVersion;
+    }
+
+    public boolean isMavenVersion( String versionRange )
+    {
+        VersionScheme versionScheme = new GenericVersionScheme();
+
+        if ( versionRange == null )
+        {
+            throw new IllegalArgumentException( "Version range must not be null" );
+        }
+        if ( StringUtils.isBlank( versionRange ) )
+        {
+            throw new IllegalArgumentException( "Version range must not be empty" );
+        }
+
+        VersionConstraint constraint;
+        try
+        {
+            constraint = versionScheme.parseVersionConstraint( versionRange );
+        }
+        catch ( InvalidVersionSpecificationException e )
+        {
+            throw new IllegalArgumentException( e.getMessage(), e );
+        }
+
+        Version current;
+        try
+        {
+            String mavenVersion = getMavenVersion();
+            if ( mavenVersion.length() <= 0 )
+            {
+                throw new IllegalStateException( "Could not determine current Maven version" );
+            }
+
+            current = versionScheme.parseVersion( mavenVersion );
+        }
+        catch ( InvalidVersionSpecificationException e )
+        {
+            throw new IllegalStateException( "Could not parse current Maven version: " + e.getMessage(), e );
+        }
+
+        if ( constraint.getRange() == null )
+        {
+            return constraint.getVersion().compareTo( current ) <= 0;
+        }
+        return constraint.containsVersion( current );
+    }
+
+}