| /* |
| * 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 |
| * |
| * https://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.ivy.osgi.filter; |
| |
| public abstract class UniOperatorFilter extends OSGiFilter { |
| |
| private final OSGiFilter subFilter; |
| |
| public UniOperatorFilter(OSGiFilter subFilter) { |
| this.subFilter = subFilter; |
| } |
| |
| protected abstract char operator(); |
| |
| @Override |
| public void append(StringBuffer builder) { |
| builder.append("("); |
| builder.append(operator()); |
| builder.append(subFilter.toString()); |
| builder.append(")"); |
| } |
| |
| public OSGiFilter getSubFilter() { |
| return subFilter; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((subFilter == null) ? 0 : subFilter.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (!(obj instanceof UniOperatorFilter)) { |
| return false; |
| } |
| UniOperatorFilter other = (UniOperatorFilter) obj; |
| return subFilter == null ? other.subFilter == null : subFilter.equals(other.subFilter); |
| } |
| } |