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A web service test double for all occasions

There is a newer version: 3.0.1

/*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * Licensed 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 com.github.tomakehurst.wiremock.admin;

import com.github.tomakehurst.wiremock.http.Request;
import com.github.tomakehurst.wiremock.stubbing.ServeEvent;
import com.google.common.base.Predicate;
import com.google.common.collect.FluentIterable;

import java.util.Date;
import java.util.List;

import static com.github.tomakehurst.wiremock.admin.Conversions.toDate;
import static com.github.tomakehurst.wiremock.admin.Conversions.toInt;
import static com.google.common.base.MoreObjects.firstNonNull;
import static com.google.common.base.Preconditions.checkArgument;

public class LimitAndSinceDatePaginator implements Paginator {

    private final List source;
    private final Integer limit;
    private final Date since;

    public LimitAndSinceDatePaginator(List source, Integer limit, Date since) {
        checkArgument(limit == null || limit >= 0, "limit must be 0 or greater");
        this.source = source;
        this.limit = limit;
        this.since = since;
    }

    public static LimitAndSinceDatePaginator fromRequest(List source, Request request) {
        return new LimitAndSinceDatePaginator(
            source,
            toInt(request.queryParameter("limit")),
            toDate(request.queryParameter("since"))
        );
    }

    @Override
    public List select() {
        FluentIterable chain = FluentIterable.from(source);
        return chain.filter(new Predicate() {
            @Override
            public boolean apply(ServeEvent input) {
                return since == null ||
                    input.getRequest().getLoggedDate().after(since);
            }
        })
        .limit(
            firstNonNull(limit, source.size())
        )
        .toList();
    }
    
    @Override
    public int getTotal() {
        return source.size();
    }
}