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jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ArgsUtils.java
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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. | ||
| */ | ||
|
|
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| package org.apache.shardingsphere.driver.jdbc.core.driver; | ||
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| import com.google.common.base.Preconditions; | ||
| import com.google.common.base.Strings; | ||
|
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| import java.io.InputStream; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
|
|
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| /** | ||
| * Arguments Utils. | ||
| */ | ||
| public class ArgsUtils { | ||
|
|
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| private static final String KEY_VALUE_SEPARATOR = "::"; | ||
|
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| private static final Pattern PATTERN = Pattern.compile("\\$\\$\\{(.+::.*)}$"); | ||
|
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| public static String getKeyValueSeparator() { | ||
| return KEY_VALUE_SEPARATOR; | ||
| } | ||
|
|
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| /** | ||
| * Get Pattern. | ||
| * | ||
| * @return {@link java.util.regex.Pattern} | ||
| */ | ||
| public static Pattern getPattern() { | ||
| return PATTERN; | ||
| } | ||
|
|
||
| /** | ||
| * Replace argument. | ||
| * | ||
| * @param targetValue the value of the argument | ||
| * @param defaultValue the default value of the argument | ||
| * @param matcher {@link Matcher} | ||
| * @return {@link String} | ||
| */ | ||
| public static String replaceArg(final String targetValue, final String defaultValue, final Matcher matcher) { | ||
| if (Strings.isNullOrEmpty(targetValue) && defaultValue.isEmpty()) { | ||
| String modifiedLineWithSpace = matcher.replaceAll(""); | ||
| return modifiedLineWithSpace.substring(0, modifiedLineWithSpace.length() - 1); | ||
| } | ||
| if (Strings.isNullOrEmpty(targetValue)) { | ||
| return matcher.replaceAll(defaultValue); | ||
| } | ||
| return matcher.replaceAll(targetValue); | ||
| } | ||
|
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| /** | ||
| * Get configuration file. | ||
| * | ||
| * @param url url | ||
| * @param urlPrefix url prefix | ||
| * @param pathType path type | ||
| * @return {@link String} | ||
| */ | ||
| public static String getConfigurationFile(final String url, final String urlPrefix, final String pathType) { | ||
| String configuredFile = url.substring(urlPrefix.length(), url.contains("?") ? url.indexOf('?') : url.length()); | ||
| String file = configuredFile.substring(pathType.length()); | ||
| Preconditions.checkArgument(!file.isEmpty(), "Configuration file is required in ShardingSphere URL."); | ||
| return file; | ||
| } | ||
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| /** | ||
| * Get resource as stream from classpath. | ||
| * | ||
| * @param resource resource | ||
| * @return {@link InputStream} | ||
| * @throws IllegalArgumentException Can not find configuration file. | ||
| */ | ||
| public static InputStream getResourceAsStreamFromClasspath(final String resource) { | ||
| InputStream result = Thread.currentThread().getContextClassLoader().getResourceAsStream(resource); | ||
| result = null == result ? Thread.currentThread().getContextClassLoader().getResourceAsStream("/" + resource) : result; | ||
| if (null != result) { | ||
| return result; | ||
| } | ||
| throw new IllegalArgumentException(String.format("Can not find configuration file `%s`.", resource)); | ||
| } | ||
| } |
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