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/*
* Copyright 2012 Red Hat inc. and third party contributors as noted
* by the author tags.
* 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.redhat.ceylon.common.tools.config;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.Writer;
import com.redhat.ceylon.common.OSUtil;
import com.redhat.ceylon.common.config.CeylonConfig;
import com.redhat.ceylon.common.config.CeylonConfigFinder;
import com.redhat.ceylon.common.config.ConfigFinder;
import com.redhat.ceylon.common.config.ConfigWriter;
import com.redhat.ceylon.common.tool.Argument;
import com.redhat.ceylon.common.tool.CeylonBaseTool;
import com.redhat.ceylon.common.tool.Description;
import com.redhat.ceylon.common.tool.Option;
import com.redhat.ceylon.common.tool.OptionArgument;
import com.redhat.ceylon.common.tool.RemainingSections;
import com.redhat.ceylon.common.tool.Subtool;
import com.redhat.ceylon.common.tool.Summary;
import com.redhat.ceylon.common.tool.Tool;
import com.redhat.ceylon.common.tools.CeylonTool;
@Summary("Manages Ceylon configuration files")
@Description(
"Can be used to list, update and remove settings in Ceylon's configuration files.\n" +
"\n" +
"Setting names are of form `.`, for example, `defaults.encoding`.\n"
)
@RemainingSections(
"##EXAMPLE\n" +
"\n" +
"The following would list the settings active from within the current folder:\n" +
"\n" +
" ceylon config list\n" +
"\n" +
"This reads a named setting:\n" +
"\n" +
" ceylon config get defaults.encoding\n" +
"\n" +
"This writes a named setting:\n" +
"\n" +
" ceylon config --file=.ceylon/config set defaults.encoding UTF-8\n" +
"\n"
)
public class CeylonConfigTool extends CeylonBaseTool {
private Tool action;
private File file;
private boolean system;
private boolean user;
private boolean local;
private int configFileArgCount = 0;
@OptionArgument(argumentName="file")
@Description("The file to operate on.")
public void setFile(File file) {
this.file = file;
}
@Option(longName="system")
@Description("Apply operation to the system configuration.")
public void setSystem(boolean system) {
this.system = system;
}
@Option(longName="user")
@Description("Apply operation to the user configuration.")
public void setUser(boolean user) {
this.user = user;
}
@Option(longName="local")
@Description("Apply operation to the local configuration.")
public void setLocal(boolean local) {
this.local = local;
}
@Subtool(argumentName="action",
classes={List.class, Get.class, Set.class, Remove.class, RenameSection.class, RemoveSection.class, Keystore.class})
public void setAction(Tool action) {
this.action = action;
}
private CeylonConfig readConfig() throws IOException {
ConfigFinder finder = CeylonConfigFinder.DEFAULT;
if (file != null) {
if (file.exists()) {
return finder.loadConfigFromFile(applyCwd(file));
} else {
return new CeylonConfig();
}
} else {
try {
if (system) {
return finder.loadSystemConfig();
}
if (user) {
return finder.loadUserConfig();
}
if (local) {
return finder.loadConfigFromFile(finder.findLocalConfig(applyCwd(new File("."))));
}
} catch (FileNotFoundException ex) {
return new CeylonConfig();
}
return CeylonConfig.get();
}
}
private void writeConfig(CeylonConfig config) throws IOException {
ConfigFinder finder = CeylonConfigFinder.DEFAULT;
File cfgFile;
if (file != null) {
cfgFile = applyCwd(file);
} else {
if (system) {
cfgFile = finder.findSystemConfig();
} else if (user) {
cfgFile = finder.findUserConfig();
} else if (local) {
cfgFile = finder.findLocalConfig(applyCwd(new File(".")));
} else {
throw new IllegalStateException("A configuration must be specified");
}
}
ConfigWriter.instance().write(config, cfgFile);
}
private void initSubtool() {
configFileArgCount = 0;
if (file != null) configFileArgCount++;
if (system) configFileArgCount++;
if (user) configFileArgCount++;
if (local) configFileArgCount++;
if (configFileArgCount > 1) {
throw new IllegalStateException("Only one argument specifying a configuration can be used at a time");
}
}
private void initUpdatingSubtool() {
initSubtool();
if (configFileArgCount == 0) {
throw new IllegalStateException("A configuration must be specified");
}
}
@Description("Lists configuration values")
public class List implements Tool {
@Override
public void initialize(CeylonTool mainTool) {
initSubtool();
}
@Override
public void run() throws IOException {
CeylonConfig config = readConfig();
ByteArrayOutputStream out = new ByteArrayOutputStream();
(new RichConfigWriter()).write(config, out);
System.out.print(out.toString("UTF-8"));
}
}
@Description("Get the value defined for `` in the config file")
public class Get implements Tool {
private String key;
@Argument(argumentName="key", multiplicity="1")
public void setKey(String key) {
this.key = key;
}
@Override
public void initialize(CeylonTool mainTool) {
initSubtool();
}
@Override
public void run() throws IOException {
CeylonConfig config = readConfig();
String[] values = config.getOptionValues(key);
if (values != null) {
for (String value : values) {
System.out.println(ConfigWriter.escape(value));
}
}
}
}
@Description("Set the value of the `` to `` in the config file")
public class Set implements Tool {
private String key;
private java.util.List values;
@Argument(argumentName="key", multiplicity="1", order=1)
public void setKey(String key) {
this.key = key;
}
@Argument(argumentName="values", multiplicity="+", order=2)
public void setValues(java.util.List values) {
this.values = values;
}
@Override
public void initialize(CeylonTool mainTool) {
initUpdatingSubtool();
}
@Override
public void run() throws IOException {
CeylonConfig config = readConfig();
String[] vals = values.toArray(new String[values.size()]);
try {
config.setOptionValues(key, vals);
} catch (IllegalArgumentException ex) {
throw new ConfigException(ex.getMessage());
}
writeConfig(config);
}
}
@Description("Removes the value of the `` in the config file")
public class Remove implements Tool {
private String key;
@Argument(argumentName="key", multiplicity="1")
public void setKey(String key) {
this.key = key;
}
@Override
public void initialize(CeylonTool mainTool) {
initUpdatingSubtool();
}
@Override
public void run() throws IOException {
CeylonConfig config = readConfig();
try {
config.removeOption(key);
} catch (IllegalArgumentException ex) {
throw new ConfigException(ex.getMessage());
}
writeConfig(config);
}
}
@Description("Renames the section `` in the config file to ``")
public class RenameSection implements Tool {
private String oldName;
private String newName;
@Argument(argumentName="old-name", multiplicity="1", order=1)
public void setOldName(String oldName) {
this.oldName = oldName;
}
@Argument(argumentName="new-name", multiplicity="1", order=2)
public void setNewName(String newName) {
this.newName = newName;
}
@Override
public void initialize(CeylonTool mainTool) {
initUpdatingSubtool();
}
@Override
public void run() throws IOException {
throw new ConfigException("Not implemented yet");
}
}
@Description("Removes the named `` from the config file")
public class RemoveSection implements Tool {
private String name;
@Argument(argumentName="name", multiplicity="1", order=1)
public void setSection(String name) {
this.name = name;
}
@Override
public void initialize(CeylonTool mainTool) {
initUpdatingSubtool();
}
@Override
public void run() throws IOException {
CeylonConfig config = readConfig();
try {
config.removeSection(name);
} catch (IllegalArgumentException ex) {
throw new ConfigException(ex.getMessage());
}
writeConfig(config);
}
}
@Description("Modifies keystores")
public class Keystore implements Tool {
private Tool tool;
private String storePassword;
@OptionArgument
@Option
@Description("The password for accessing the keystore")
public void setStorePassword(String storePassword) {
this.storePassword = storePassword;
}
@Description("Gets the password for `` in the keystore")
public class GetPassword implements Tool {
private String alias;
@Argument(argumentName="alias", multiplicity="1", order=1)
public void setAlias(String alias) {
this.alias = alias;
}
@Override
public void initialize(CeylonTool mainTool) {
}
@Override
public void run() throws Exception {
// TODO Auto-generated method stub
}
}
@Description("Sets the password for `` in the keystore. " +
"The program will issue a password prompt if `` is omitted.")
public class SetPassword implements Tool {
private String alias;
private String password;
@Argument(argumentName="alias", multiplicity="1", order=1)
public void setAlias(String alias) {
this.alias = alias;
}
@Argument(argumentName="password", multiplicity="?", order=2)
public void setPassword(String password) {
this.password = password;
}
@Override
public void initialize(CeylonTool mainTool) {
}
@Override
public void run() throws Exception {
// TODO Auto-generated method stub
}
}
@Description("Unsets the password for `` in the keystore, " +
"removing the alias and its corresponding password.")
public class UnsetPassword implements Tool {
private String alias;
@Argument(argumentName="alias", multiplicity="1", order=1)
public void setAlias(String alias) {
this.alias = alias;
}
@Override
public void initialize(CeylonTool mainTool) {
}
@Override
public void run() throws Exception {
// TODO Auto-generated method stub
}
}
@Subtool(argumentName="action", classes={GetPassword.class, SetPassword.class, UnsetPassword.class})
public void setAction(Tool action) {
this.tool = action;
}
@Override
public void initialize(CeylonTool mainTool) {
}
@Override
public void run() throws Exception {
tool.run();
}
}
@Override
public void initialize(CeylonTool mainTool) {
}
@Override
public void run() throws Exception {
action.run();
}
public static void main(String[] args) throws Exception {
CeylonConfigTool x = new CeylonConfigTool();
x.action = x.new Get();
x.run();
}
}
class RichConfigWriter extends ConfigWriter {
@Override
protected void writeSimpleSection(Writer writer, String section)
throws IOException {
super.writeSimpleSection(writer, OSUtil.color(section, OSUtil.Color.yellow));
}
@Override
protected void writeCompoundSection(Writer writer, String pre, String post)
throws IOException {
super.writeCompoundSection(writer, OSUtil.color(pre, OSUtil.Color.yellow),
OSUtil.color(post, OSUtil.Color.red));
}
@Override
protected void writeOptionValue(Writer writer, String name, String value)
throws IOException {
super.writeOptionValue(writer, OSUtil.color(name, OSUtil.Color.blue), value);
}
}
