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/*
* 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
*
* 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 org.apache.maven.lifecycle;
import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
import org.codehaus.plexus.PlexusContainer;
import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @since 3.0
*/
// TODO The configuration for the lifecycle needs to be externalized so that I can use the annotations properly for the
// wiring and reference and external source for the lifecycle configuration.
@Named
@Singleton
public class DefaultLifecycles {
public static final String[] STANDARD_LIFECYCLES = {"clean", "default", "site", "wrapper"};
private final Logger logger = LoggerFactory.getLogger(getClass());
// @Configuration(source="org/apache/maven/lifecycle/lifecycles.xml")
private final PlexusContainer plexusContainer;
private Map<String, Lifecycle> customLifecycles;
public DefaultLifecycles() {
this.plexusContainer = null;
}
/**
* @deprecated Rely on {@link #DefaultLifecycles(PlexusContainer)} instead
*/
@Deprecated
public DefaultLifecycles(Map<String, Lifecycle> lifecycles, org.codehaus.plexus.logging.Logger logger) {
this.customLifecycles = lifecycles;
this.plexusContainer = null;
}
@Inject
public DefaultLifecycles(PlexusContainer plexusContainer) {
this.plexusContainer = plexusContainer;
}
/**
* Get lifecycle based on phase
*
* @param phase
* @return
*/
public Lifecycle get(String phase) {
return getPhaseToLifecycleMap().get(phase);
}
/**
* We use this to map all phases to the lifecycle that contains it. This is used so that a user can specify the
* phase they want to execute and we can easily determine what lifecycle we need to run.
*
* @return A map of lifecycles, indexed on id
*/
public Map<String, Lifecycle> getPhaseToLifecycleMap() {
// If people are going to make their own lifecycles then we need to tell people how to namespace them correctly
// so that they don't interfere with internally defined lifecycles.
Map<String, Lifecycle> phaseToLifecycleMap = new HashMap<>();
for (Lifecycle lifecycle : getLifeCycles()) {
logger.debug("Lifecycle {}", lifecycle);
for (String phase : lifecycle.getPhases()) {
// The first definition wins.
if (!phaseToLifecycleMap.containsKey(phase)) {
phaseToLifecycleMap.put(phase, lifecycle);
} else if (logger.isWarnEnabled()) {
Lifecycle original = phaseToLifecycleMap.get(phase);
logger.warn(
"Duplicated lifecycle phase {}. Defined in {} but also in {}",
phase,
original.getId(),
lifecycle.getId());
}
}
}
return phaseToLifecycleMap;
}
/**
* Returns an ordered list of lifecycles
*/
public List<Lifecycle> getLifeCycles() {
List<String> lifecycleIds = Arrays.asList(STANDARD_LIFECYCLES);
Comparator<String> comparator = (l, r) -> {
int lx = lifecycleIds.indexOf(l);
int rx = lifecycleIds.indexOf(r);
if (lx < 0 || rx < 0) {
return rx - lx;
} else {
return lx - rx;
}
};
Map<String, Lifecycle> lifecyclesMap = lookupLifecycles();
// ensure canonical order of standard lifecycles
return lifecyclesMap.values().stream()
.peek(l -> Objects.requireNonNull(l.getId(), "A lifecycle must have an id."))
.sorted(Comparator.comparing(Lifecycle::getId, comparator))
.collect(Collectors.toList());
}
private Map<String, Lifecycle> lookupLifecycles() {
// TODO: Remove the following code when maven-compat is gone
// This code is here to ensure maven-compat's EmptyLifecycleExecutor keeps on working.
if (plexusContainer == null) {
return customLifecycles != null ? customLifecycles : new HashMap<>();
}
// Lifecycles cannot be cached as extensions might add custom lifecycles later in the execution.
try {
return plexusContainer.lookupMap(Lifecycle.class);
} catch (ComponentLookupException e) {
throw new IllegalStateException("Unable to lookup lifecycles from the plexus container", e);
}
}
public String getLifecyclePhaseList() {
return getLifeCycles().stream().flatMap(l -> l.getPhases().stream()).collect(Collectors.joining(", "));
}
}