/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.cli.impl;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.HashMap;
import java.util.Map;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.jboss.as.protocol.StreamUtils;
import org.jboss.staxmapper.XMLElementReader;
import org.jboss.staxmapper.XMLExtendedStreamReader;
import org.jboss.staxmapper.XMLMapper;
/**
* @author Alexey Loubyansky
*
*/
class VaultConfig {
private static final String NAME = "name";
private static final String VALUE = "value";
private static final String VAULT = "vault";
private static final String CODE = "code";
private static final String MODULE = "module";
private static final String VAULT_OPTION = "vault-option";
private String code;
private String module;
private final Map<String, Object> options = new HashMap<String, Object>();
/**
* In the 2.0 xsd the vault is in an external file, which has no namespace, using the output of the vault tool.
*
* @param f the file containing the external vault configuration as generated by the vault tool
* @return the vault config
*/
static VaultConfig loadExternalFile(File f) throws XMLStreamException {
if(f == null) {
throw new IllegalArgumentException("File is null");
}
if(!f.exists()) {
throw new XMLStreamException("Failed to locate vault file " + f.getAbsolutePath());
}
final VaultConfig config = new VaultConfig();
BufferedInputStream input = null;
try {
final XMLMapper mapper = XMLMapper.Factory.create();
final XMLElementReader<VaultConfig> reader = new ExternalVaultConfigReader();
mapper.registerRootElement(new QName(VAULT), reader);
FileInputStream is = new FileInputStream(f);
input = new BufferedInputStream(is);
XMLStreamReader streamReader = XMLInputFactory.newInstance().createXMLStreamReader(input);
mapper.parseDocument(config, streamReader);
streamReader.close();
} catch(FileNotFoundException e) {
throw new XMLStreamException("Vault file not found", e);
} catch(XMLStreamException t) {
throw t;
} finally {
StreamUtils.safeClose(input);
}
return config;
}
/**
* In the 3.0 xsd the vault configuration and its options are part of the vault xsd.
*
* @param reader the reader at the vault element
* @param expectedNs the namespace
* @return the vault configuration
*/
static VaultConfig readVaultElement_3_0(XMLExtendedStreamReader reader, Namespace expectedNs) throws XMLStreamException {
final VaultConfig config = new VaultConfig();
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
final String value = reader.getAttributeValue(i);
String name = reader.getAttributeLocalName(i);
if (name.equals(CODE)){
config.code = value;
} else if (name.equals(MODULE)){
config.module = value;
} else {
unexpectedVaultAttribute(reader.getAttributeLocalName(i), reader);
}
}
if (config.code == null && config.module != null){
throw new XMLStreamException("Attribute 'module' was specified without an attribute"
+ " 'code' for element '" + VAULT + "' at " + reader.getLocation());
}
readVaultOptions(reader, config);
return config;
}
Map<String, Object> getOptions() {
return options;
}
String getCode() {
return code;
}
String getModule() {
return module;
}
private void addOption(String name, String value) {
if(name == null || name.isEmpty()) {
throw new IllegalArgumentException("name is null or empty");
}
if(value == null || value.isEmpty()) {
throw new IllegalArgumentException("value is null or empty");
}
options.put(name, value);
}
private static void readVaultOptions(XMLExtendedStreamReader reader, VaultConfig config) throws XMLStreamException {
boolean done = false;
while (reader.hasNext() && done == false) {
int tag = reader.nextTag();
if(tag == XMLStreamConstants.START_ELEMENT) {
final String localName = reader.getLocalName();
if (localName.equals(VAULT_OPTION)) {
final String name = reader.getAttributeValue(null, NAME);
if(name == null) {
throw new XMLStreamException("Attribute '" + NAME +
"' is not found for element '" +
VAULT_OPTION + "' at " + reader.getLocation());
}
final String value = reader.getAttributeValue(null, VALUE);
if(value == null) {
throw new XMLStreamException("Attribute '" + VALUE +
"' is not found for element " +
VAULT_OPTION + "' at " + reader.getLocation());
}
config.addOption(name, value);
CliConfigImpl.CliConfigReader.requireNoContent(reader);
} else {
throw new XMLStreamException("Unexpected element: " + localName);
}
} else if(tag == XMLStreamConstants.END_ELEMENT) {
final String localName = reader.getLocalName();
if (localName.equals(VAULT)) {
done = true;
}
}
}
}
private static void unexpectedVaultAttribute(String attribute, XMLStreamReader reader) throws XMLStreamException {
throw new XMLStreamException("Attribute '" + attribute +
"' is unknown for element '" +
VAULT_OPTION + "' at " + reader.getLocation());
}
private static class ExternalVaultConfigReader implements XMLElementReader<VaultConfig> {
@Override
public void readElement(XMLExtendedStreamReader reader, VaultConfig config) throws XMLStreamException {
String rootName = reader.getLocalName();
if (VAULT.equals(rootName) == false) {
throw new XMLStreamException("Unexpected element: " + rootName);
}
final int count = reader.getAttributeCount();
for (int i = 0; i < count; i++) {
final String value = reader.getAttributeValue(i);
unexpectedVaultAttribute(reader.getAttributeLocalName(i), reader);
}
if (config.code == null && config.module != null){
throw new XMLStreamException("Attribute 'module' was specified without an attribute"
+ " 'code' for element '" + VAULT + "' at " + reader.getLocation());
}
readVaultOptions(reader, config);
}
}
}