/**
* Copyright 2005-2016 Red Hat, Inc.
*
* Red Hat 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 io.fabric8.utils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.io.StringWriter;
import java.net.URL;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
public class DataStoreUtils {
public static byte[] toBytes(Properties source) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
source.store(baos, null);
} catch (IOException ex) {
throw new IllegalArgumentException("Cannot store properties", ex);
}
return baos.toByteArray();
}
public static byte[] toBytes(Map<String, String> source) {
return toBytes(toProperties(source));
}
public static Properties toProperties(byte[] source) {
Properties rc = new Properties();
if (source != null) {
try {
rc.load(new ByteArrayInputStream(source));
} catch (IOException ex) {
throw new IllegalArgumentException("Cannot load properties", ex);
}
}
return rc;
}
public static Map<String, String> toMap(Properties source) {
Map<String, String> rc = new HashMap<String, String>();
for (Map.Entry<Object, Object> entry : source.entrySet()) {
rc.put((String) entry.getKey(), (String) entry.getValue());
}
return Collections.unmodifiableMap(rc);
}
public static Map<String, String> toMap(byte[] source) {
return toMap(toProperties(source));
}
public static Properties toProperties(Map<String, String> source) {
Properties rc = new Properties();
for (Map.Entry<String, String> entry : source.entrySet()) {
rc.put(entry.getKey(), entry.getValue());
}
return rc;
}
public static Properties toStringProperties(Map<String, ?> source) {
Properties rc = new Properties();
for (Map.Entry<String, ?> entry : source.entrySet()) {
Object value = entry.getValue();
if (value != null) {
rc.put(entry.getKey(), value.toString());
}
}
return rc;
}
public static String stripSuffix(String value, String suffix) {
if (value.endsWith(suffix)) {
return value.substring(0, value.length() - suffix.length());
} else {
return value;
}
}
public static String toString(Properties source) {
StringWriter writer = new StringWriter();
try {
source.store(writer, null);
} catch (IOException ex) {
throw new IllegalArgumentException("Cannot store properties", ex);
}
return writer.toString();
}
public static Properties toProperties(String source) {
Properties rc = new Properties();
try {
rc.load(new StringReader(source));
} catch (IOException ex) {
throw new IllegalArgumentException("Cannot load properties from: " + source, ex);
}
return rc;
}
/**
* Substitutes a placeholder with the checksum:[url] format with the checksum of the urls target.
* @return The checksum or 0.
*/
public static String substituteChecksum(String key) {
InputStream is = null;
try {
URL url = new URL(key.substring("checksum:".length()));
is = url.openStream();
return String.valueOf(ChecksumUtils.checksum(is));
} catch (Exception ex) {
return "0";
} finally {
Closeables.closeQuietly(is);
}
}
/**
* Substitutes a placeholder with profile:[property file]/[key], with the target value.
* @return The target value or the key as is.
*/
public static String substituteProfileProperty(String key, Map<String, Map<String, String>> configs) {
String pid = key.substring("profile:".length(), key.indexOf("/"));
String propertyKey = key.substring(key.indexOf("/") + 1);
Map<String, String> targetProps = configs.get(pid);
if (targetProps != null && targetProps.containsKey(propertyKey)) {
return targetProps.get(propertyKey);
} else {
return key;
}
}
}