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Diffstat (limited to 'java/common/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java')
-rw-r--r-- | java/common/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/java/common/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java b/java/common/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java new file mode 100644 index 0000000000..6419e23a1e --- /dev/null +++ b/java/common/gentools/src/org/apache/qpid/gentools/AmqpVersionSet.java @@ -0,0 +1,79 @@ +/* + * + * 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.apache.qpid.gentools; + +import java.io.PrintStream; +import java.util.Iterator; +import java.util.TreeSet; + +@SuppressWarnings("serial") +public class AmqpVersionSet extends TreeSet<AmqpVersion> implements Printable, Comparable<AmqpVersionSet> +{ + public AmqpVersionSet() + { + super(); + } + + public AmqpVersionSet(AmqpVersion version) + { + super(); + add(version); + } + + public AmqpVersion find(AmqpVersion version) + { + for (AmqpVersion v : this) + { + if (v.compareTo(version) == 0) + { + return v; + } + } + return null; + } + + public void print(PrintStream out, int marginSize, int tabSize) + { + out.print(Utils.createSpaces(marginSize) + "Version Set: " + toString() + Utils.LINE_SEPARATOR); + } + + public int compareTo(AmqpVersionSet other) + { + int res = size() - other.size(); + if (res != 0) + { + return res; + } + Iterator<AmqpVersion> vItr = iterator(); + Iterator<AmqpVersion> oItr = other.iterator(); + while (vItr.hasNext() && oItr.hasNext()) + { + AmqpVersion version = vItr.next(); + AmqpVersion oVersion = oItr.next(); + res = version.compareTo(oVersion); + if (res != 0) + { + return res; + } + } + return 0; + } +} |