ch.ivyteam.ivy.maven.log.LogCollector.java Source code

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Here is the source code for ch.ivyteam.ivy.maven.log.LogCollector.java

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/*
 * Copyright (C) 2015 AXON IVY AG
 *
 * 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 ch.ivyteam.ivy.maven.log;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.maven.plugin.logging.Log;

/**
 * Simple Test logger built to make simple assertions on occurred logs.
 * 
 * @author Reguel Wermelinger
 * @since 05.11.2014
 */
public class LogCollector implements Log {
    private List<LogEntry> debuggings = new ArrayList<>();
    private List<LogEntry> infos = new ArrayList<>();
    private List<LogEntry> warnings = new ArrayList<>();
    private List<LogEntry> errors = new ArrayList<>();

    public static class LogEntry {
        private String message;
        private Throwable error;

        private LogEntry(String message, Throwable error) {
            if (message == null) {
                message = error.getMessage();
            }
            this.message = message;
            this.error = error;
        }

        @Override
        public String toString() {
            StringBuilder builder = new StringBuilder(message);
            if (error != null) {
                builder.append(" /error:").append(error.toString());
            }
            return builder.toString();
        }

    }

    public List<LogEntry> getDebug() {
        return Collections.unmodifiableList(debuggings);
    }

    public List<LogEntry> getInfos() {
        return Collections.unmodifiableList(infos);
    }

    public List<LogEntry> getWarnings() {
        return Collections.unmodifiableList(warnings);
    }

    public List<LogEntry> getErrors() {
        return Collections.unmodifiableList(errors);
    }

    public List<LogEntry> getLogs() {
        List<LogEntry> logs = new ArrayList<>();
        logs.addAll(debuggings);
        logs.addAll(infos);
        logs.addAll(warnings);
        logs.addAll(errors);
        return Collections.unmodifiableList(logs);
    }

    private void log(List<LogEntry> appender, CharSequence message, Throwable error) {
        LogEntry entry = new LogEntry(message.toString(), error);
        appender.add(entry);
    }

    @Override
    public boolean isDebugEnabled() {
        return true;
    }

    @Override
    public void debug(CharSequence content) {
        log(debuggings, content, null);
    }

    @Override
    public void debug(CharSequence content, Throwable error) {
        log(debuggings, content, error);
    }

    @Override
    public void debug(Throwable error) {
        log(debuggings, null, error);
    }

    @Override
    public boolean isInfoEnabled() {
        return true;
    }

    @Override
    public void info(CharSequence content) {
        log(infos, content, null);
    }

    @Override
    public void info(CharSequence content, Throwable error) {
        log(infos, content, error);
    }

    @Override
    public void info(Throwable error) {
        log(infos, null, error);
    }

    @Override
    public boolean isWarnEnabled() {
        return true;
    }

    @Override
    public void warn(CharSequence content) {
        log(warnings, content, null);
    }

    @Override
    public void warn(CharSequence content, Throwable error) {
        log(warnings, content, error);
    }

    @Override
    public void warn(Throwable error) {
        log(warnings, null, error);
    }

    @Override
    public boolean isErrorEnabled() {
        return true;
    }

    @Override
    public void error(CharSequence content) {
        log(errors, content, null);
    }

    @Override
    public void error(CharSequence content, Throwable error) {
        log(errors, content, error);
    }

    @Override
    public void error(Throwable error) {
        log(errors, null, error);
    }

}