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Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-artifact/src/main/java/org/apache/maven/artifact/versioning/DefaultArtifactVersion.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-artifact/src/main/java/org/apache/maven/artifact/versioning/DefaultArtifactVersion.java | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-artifact/src/main/java/org/apache/maven/artifact/versioning/DefaultArtifactVersion.java b/framework/src/maven/apache-maven-3.3.3/maven-artifact/src/main/java/org/apache/maven/artifact/versioning/DefaultArtifactVersion.java new file mode 100644 index 00000000..99b2b85b --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-artifact/src/main/java/org/apache/maven/artifact/versioning/DefaultArtifactVersion.java @@ -0,0 +1,228 @@ +package org.apache.maven.artifact.versioning; + +/* + * 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.util.StringTokenizer; +import java.util.regex.Pattern; +import java.util.NoSuchElementException; + +/** + * Default implementation of artifact versioning. + * + * @author <a href="mailto:brett@apache.org">Brett Porter</a> + */ +public class DefaultArtifactVersion + implements ArtifactVersion +{ + private Integer majorVersion; + + private Integer minorVersion; + + private Integer incrementalVersion; + + private Integer buildNumber; + + private String qualifier; + + private ComparableVersion comparable; + + public DefaultArtifactVersion( String version ) + { + parseVersion( version ); + } + + @Override + public int hashCode() + { + return 11 + comparable.hashCode(); + } + + @Override + public boolean equals( Object other ) + { + if ( this == other ) + { + return true; + } + + if ( !( other instanceof ArtifactVersion ) ) + { + return false; + } + + return compareTo( (ArtifactVersion) other ) == 0; + } + + public int compareTo( ArtifactVersion otherVersion ) + { + if ( otherVersion instanceof DefaultArtifactVersion ) + { + return this.comparable.compareTo( ( (DefaultArtifactVersion) otherVersion ).comparable ); + } + else + { + return compareTo( new DefaultArtifactVersion( otherVersion.toString() ) ); + } + } + + public int getMajorVersion() + { + return majorVersion != null ? majorVersion : 0; + } + + public int getMinorVersion() + { + return minorVersion != null ? minorVersion : 0; + } + + public int getIncrementalVersion() + { + return incrementalVersion != null ? incrementalVersion : 0; + } + + public int getBuildNumber() + { + return buildNumber != null ? buildNumber : 0; + } + + public String getQualifier() + { + return qualifier; + } + + public final void parseVersion( String version ) + { + comparable = new ComparableVersion( version ); + + int index = version.indexOf( "-" ); + + String part1; + String part2 = null; + + if ( index < 0 ) + { + part1 = version; + } + else + { + part1 = version.substring( 0, index ); + part2 = version.substring( index + 1 ); + } + + if ( part2 != null ) + { + try + { + if ( ( part2.length() == 1 ) || !part2.startsWith( "0" ) ) + { + buildNumber = Integer.valueOf( part2 ); + } + else + { + qualifier = part2; + } + } + catch ( NumberFormatException e ) + { + qualifier = part2; + } + } + + if ( ( !part1.contains( "." ) ) && !part1.startsWith( "0" ) ) + { + try + { + majorVersion = Integer.valueOf( part1 ); + } + catch ( NumberFormatException e ) + { + // qualifier is the whole version, including "-" + qualifier = version; + buildNumber = null; + } + } + else + { + boolean fallback = false; + + StringTokenizer tok = new StringTokenizer( part1, "." ); + try + { + majorVersion = getNextIntegerToken( tok ); + if ( tok.hasMoreTokens() ) + { + minorVersion = getNextIntegerToken( tok ); + } + if ( tok.hasMoreTokens() ) + { + incrementalVersion = getNextIntegerToken( tok ); + } + if ( tok.hasMoreTokens() ) + { + qualifier = tok.nextToken(); + fallback = Pattern.compile( "\\d+" ).matcher( qualifier ).matches(); + } + + // string tokenzier won't detect these and ignores them + if ( part1.contains( ".." ) || part1.startsWith( "." ) || part1.endsWith( "." ) ) + { + fallback = true; + } + } + catch ( NumberFormatException e ) + { + fallback = true; + } + + if ( fallback ) + { + // qualifier is the whole version, including "-" + qualifier = version; + majorVersion = null; + minorVersion = null; + incrementalVersion = null; + buildNumber = null; + } + } + } + + private static Integer getNextIntegerToken( StringTokenizer tok ) + { + try + { + String s = tok.nextToken(); + if ( ( s.length() > 1 ) && s.startsWith( "0" ) ) + { + throw new NumberFormatException( "Number part has a leading 0: '" + s + "'" ); + } + return Integer.valueOf( s ); + } + catch ( NoSuchElementException e ) + { + throw new NumberFormatException( "Number is invalid" ); + } + } + + @Override + public String toString() + { + return comparable.toString(); + } +} |