com.cognifide.cq.cqsm.core.progress.ProgressImpl.java Source code

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Here is the source code for com.cognifide.cq.cqsm.core.progress.ProgressImpl.java

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/*-
 * ========================LICENSE_START=================================
 * AEM Permission Management
 * %%
 * Copyright (C) 2013 Cognifide Limited
 * %%
 * 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.
 * =========================LICENSE_END==================================
 */
package com.cognifide.cq.cqsm.core.progress;

import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;

import com.cognifide.cq.cqsm.api.actions.ActionDescriptor;
import com.cognifide.cq.cqsm.api.actions.ActionResult;
import com.cognifide.cq.cqsm.api.logger.Message;
import com.cognifide.cq.cqsm.api.logger.Progress;
import com.cognifide.cq.cqsm.api.logger.ProgressEntry;
import com.cognifide.cq.cqsm.api.logger.Status;

import java.util.LinkedList;
import java.util.List;

public class ProgressImpl implements Progress {

    private final List<ProgressEntry> entries;

    private final String executor;

    private boolean success;

    public ProgressImpl(String executor) {
        this(executor, new LinkedList<ProgressEntry>());
    }

    public ProgressImpl(String executor, List<ProgressEntry> entries) {
        this.executor = executor;
        this.entries = entries;
        success = true;
    }

    @Override
    public List<ProgressEntry> getEntries() {
        return Lists.newLinkedList(entries);
    }

    @Override
    public void addEntry(ActionDescriptor descriptor, ActionResult result) {
        this.entries.add(new ProgressEntry(descriptor, result));
    }

    @Override
    public void addEntry(Message message, Status status) {
        this.entries.add(new ProgressEntry(message, status));
    }

    @Override
    public boolean isSuccess() {
        calculateSuccess();
        return success;
    }

    @Override
    public ProgressEntry getLastError() {
        for (int i = entries.size() - 1; i >= 0; i--) {
            final ProgressEntry entry = entries.get(i);

            if (entry.getStatus().equals(Status.ERROR)) {
                return entry;
            }
        }

        return null;
    }

    @Override
    public String getExecutor() {
        return executor;
    }

    private void calculateSuccess() {
        success = !Iterables.any(entries, new IsErrorPredicate());
    }

    private static class IsErrorPredicate implements Predicate<ProgressEntry> {
        @Override
        public boolean apply(ProgressEntry input) {
            return input != null && Status.ERROR == input.getStatus();
        }
    }
}