/*
* Copyright 2013 the original author or authors.
*
* 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 org.gradle.launcher.cli.converter;
import com.google.common.base.Predicate;
import com.google.common.collect.Maps;
import org.gradle.api.Project;
import org.gradle.api.UncheckedIOException;
import org.gradle.initialization.BuildLayoutParameters;
import org.gradle.initialization.layout.BuildLayout;
import org.gradle.initialization.layout.BuildLayoutFactory;
import org.gradle.launcher.daemon.configuration.GradleProperties;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
public class LayoutToPropertiesConverter {
public Map<String, String> convert(BuildLayoutParameters layout, Map<String, String> properties) {
configureFromBuildDir(layout.getSearchDir(), layout.getSearchUpwards(), properties);
configureFromGradleUserHome(layout.getGradleUserHomeDir(), properties);
Map<Object, Object> systemProperties = new HashMap<Object, Object>(System.getProperties());
Map filteredSystemProperties = filterNonSerializableEntries(systemProperties);
properties.putAll(filteredSystemProperties);
return properties;
}
private Map filterNonSerializableEntries(Map<Object, Object> properties) {
return Maps.filterEntries(properties, new Predicate<Map.Entry<?, ?>>() {
public boolean apply(Map.Entry<?, ?> input) {
return input.getKey() instanceof Serializable
&& (input.getValue() instanceof Serializable || input.getValue() == null);
}
});
}
private void configureFromGradleUserHome(File gradleUserHomeDir, Map<String, String> result) {
maybeConfigureFrom(new File(gradleUserHomeDir, Project.GRADLE_PROPERTIES), result);
}
private void configureFromBuildDir(File currentDir, boolean searchUpwards, Map<String, String> result) {
BuildLayoutFactory factory = new BuildLayoutFactory();
BuildLayout layout = factory.getLayoutFor(currentDir, searchUpwards);
maybeConfigureFrom(new File(layout.getRootDirectory(), Project.GRADLE_PROPERTIES), result);
}
private void maybeConfigureFrom(File propertiesFile, Map<String, String> result) {
if (!propertiesFile.isFile()) {
return;
}
Properties properties = new Properties();
try {
FileInputStream inputStream = new FileInputStream(propertiesFile);
try {
properties.load(inputStream);
} finally {
inputStream.close();
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}
for (Object key : properties.keySet()) {
if (GradleProperties.ALL.contains(key.toString())) {
result.put(key.toString(), properties.get(key).toString());
}
}
}
}