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🎨 优化重构部分代码

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Binary Wang
2021-07-25 21:20:13 +08:00
parent 3a444d0fba
commit 7db5207fee
4 changed files with 74 additions and 101 deletions
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150
weixin-java-pay/src/main/java/com/github/binarywang/wxpay/util/ResourcesUtils.java
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@@ -1,120 +1,86 @@
package com.github.binarywang.wxpay.util;
import jodd.io.IOUtil;
import jodd.util.ClassUtil;
import lombok.val;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.net.URLConnection;
/**
* 基于jodd.util.ResourcesUtil改造实现
*
* @author jodd
*/
public class ResourcesUtils {
/**
* Retrieves given resource as URL. Resource is always absolute and may
* starts with a slash character.
* <p>
* Resource will be loaded using class loaders in the following order:
* <ul>
* <li>{@link Thread#getContextClassLoader() Thread.currentThread().getContextClassLoader()}</li>
* <li>{@link Class#getClassLoader() ClassLoaderUtil.class.getClassLoader()}</li>
* <li>if <code>callingClass</code> is provided: {@link Class#getClassLoader() callingClass.getClassLoader()}</li>
* </ul>
*/
public static URL getResourceUrl(String resourceName, final ClassLoader classLoader) {
/**
* Retrieves given resource as URL.
* @see #getResourceUrl(String, ClassLoader)
*/
public static URL getResourceUrl(final String resourceName) {
return getResourceUrl(resourceName, null);
}
if (resourceName.startsWith("/")) {
resourceName = resourceName.substring(1);
}
/**
* Retrieves given resource as URL. Resource is always absolute and may
* starts with a slash character.
* <p>
* Resource will be loaded using class loaders in the following order:
* <ul>
* <li>{@link Thread#getContextClassLoader() Thread.currentThread().getContextClassLoader()}</li>
* <li>{@link Class#getClassLoader() ClassLoaderUtil.class.getClassLoader()}</li>
* <li>if <code>callingClass</code> is provided: {@link Class#getClassLoader() callingClass.getClassLoader()}</li>
* </ul>
*/
public static URL getResourceUrl(String resourceName, final ClassLoader classLoader) {
URL resourceUrl;
if (resourceName.startsWith("/")) {
resourceName = resourceName.substring(1);
}
// try #1 - using provided class loader
if (classLoader != null) {
resourceUrl = classLoader.getResource(resourceName);
if (resourceUrl != null) {
return resourceUrl;
}
}
URL resourceUrl;
// try #2 - using thread class loader
final ClassLoader currentThreadClassLoader = Thread.currentThread().getContextClassLoader();
if ((currentThreadClassLoader != null) && (currentThreadClassLoader != classLoader)) {
resourceUrl = currentThreadClassLoader.getResource(resourceName);
if (resourceUrl != null) {
return resourceUrl;
}
}
// try #1 - using provided class loader
if (classLoader != null) {
resourceUrl = classLoader.getResource(resourceName);
if (resourceUrl != null) {
return resourceUrl;
}
}
// try #2 - using thread class loader
final ClassLoader currentThreadClassLoader = Thread.currentThread().getContextClassLoader();
if ((currentThreadClassLoader != null) && (currentThreadClassLoader != classLoader)) {
resourceUrl = currentThreadClassLoader.getResource(resourceName);
if (resourceUrl != null) {
return resourceUrl;
}
}
// try #3 - using caller classloader, similar as Class.forName()
// try #3 - using caller classloader, similar as Class.forName()
val callerClass = ClassUtil.getCallerClass(2);
val callerClassLoader = callerClass.getClassLoader();
if ((callerClassLoader != classLoader) && (callerClassLoader != currentThreadClassLoader)) {
resourceUrl = callerClassLoader.getResource(resourceName);
if ((callerClassLoader != classLoader) && (callerClassLoader != currentThreadClassLoader)) {
resourceUrl = callerClassLoader.getResource(resourceName);
return resourceUrl;
}
}
return null;
}
return null;
}
public static String getResourceAsString(final String resourceName) throws IOException {
final InputStream inputStream = getResourceAsStream(resourceName);
try {
final char[] data = IOUtil.readChars(inputStream);
return new String(data);
}
finally {
IOUtil.close(inputStream);
}
}
/**
* Opens a resource of the specified name for reading.
*
* @see #getResourceAsStream(String, ClassLoader)
*/
public static InputStream getResourceAsStream(final String resourceName) throws IOException {
return getResourceAsStream(resourceName, null);
}
/**
* Opens a resource of the specified name for reading.
* @see #getResourceAsStream(String, ClassLoader)
*/
public static InputStream getResourceAsStream(final String resourceName) throws IOException {
return getResourceAsStream(resourceName, null);
}
/**
* Opens a resource of the specified name for reading.
* @see #getResourceUrl(String, ClassLoader)
*/
public static InputStream getResourceAsStream(final String resourceName, final ClassLoader callingClass) throws IOException {
final URL url = getResourceUrl(resourceName, callingClass);
if (url != null) {
return url.openStream();
}
return null;
}
/**
* Opens a resource of the specified name for reading. Controls caching,
* that is important when the same jar is reloaded using custom classloader.
*/
public static InputStream getResourceAsStream(final String resourceName, final ClassLoader callingClass,
final boolean useCache) throws IOException {
final URL url = getResourceUrl(resourceName, callingClass);
if (url != null) {
final URLConnection urlConnection = url.openConnection();
urlConnection.setUseCaches(useCache);
return urlConnection.getInputStream();
}
return null;
}
/**
* Opens a resource of the specified name for reading.
*
* @see #getResourceUrl(String, ClassLoader)
*/
public static InputStream getResourceAsStream(final String resourceName, final ClassLoader callingClass) throws IOException {
final URL url = getResourceUrl(resourceName, callingClass);
if (url != null) {
return url.openStream();
}
return null;
}
}