75 lines
2.2 KiB
Java
75 lines
2.2 KiB
Java
/**
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*
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* Copyright 2015 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.filter;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import org.jivesoftware.smack.util.Objects;
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import org.jivesoftware.smack.util.StringUtils;
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public abstract class AbstractListFilter implements StanzaFilter {
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/**
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* The list of filters.
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*/
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protected final List<StanzaFilter> filters;
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/**
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* Creates an empty filter.
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*/
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protected AbstractListFilter() {
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filters = new ArrayList<StanzaFilter>();
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}
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/**
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* Creates an filter using the specified filters.
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*
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* @param filters the filters to add.
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*/
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protected AbstractListFilter(StanzaFilter... filters) {
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Objects.requireNonNull(filters, "Parameter must not be null.");
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for (StanzaFilter filter : filters) {
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Objects.requireNonNull(filter, "Parameter must not be null.");
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}
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this.filters = new ArrayList<StanzaFilter>(Arrays.asList(filters));
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}
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/**
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* Adds a filter to the filter list. A stanza will pass the filter if all of the filters in the
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* list accept it.
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*
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* @param filter a filter to add to the filter list.
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*/
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public void addFilter(StanzaFilter filter) {
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Objects.requireNonNull(filter, "Parameter must not be null.");
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filters.add(filter);
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}
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@Override
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public final String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append(getClass().getSimpleName());
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sb.append(": (");
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sb.append(StringUtils.toStringBuilder(filters, ", "));
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sb.append(')');
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return sb.toString();
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}
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}
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