sandynz commented on code in PR #22677:
URL: https://github.com/apache/shardingsphere/pull/22677#discussion_r1039577568
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
+
+ for (ClassLoader cl : classLoader) {
Review Comment:
Variable name `cl` should be `each`
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
+
+ for (ClassLoader cl : classLoader) {
+ if (null != cl) {
+
+ // try to find the resource as passed
+ InputStream returnValue = cl.getResourceAsStream(resource);
+
+ // now, some class loaders want this leading "/", so we'll add
it and try again if we didn't find the resource
+ if (null == returnValue) {
+ returnValue = cl.getResourceAsStream("/" + resource);
+ }
Review Comment:
Did you test which class loader need '/'?
If the most frequent used one need '/', could we try to load with '/'
firstly?
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
+
+ for (ClassLoader cl : classLoader) {
+ if (null != cl) {
+
+ // try to find the resource as passed
+ InputStream returnValue = cl.getResourceAsStream(resource);
+
+ // now, some class loaders want this leading "/", so we'll add
it and try again if we didn't find the resource
+ if (null == returnValue) {
+ returnValue = cl.getResourceAsStream("/" + resource);
+ }
+
Review Comment:
Empty lines in method could be removed
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
Review Comment:
`classLoader` could be `classLoaders`
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
Review Comment:
Did you test which class loader satisify most cases or the most common case?
Could we put `getClass().getClassLoader()` at first?
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
+
+ for (ClassLoader cl : classLoader) {
+ if (null != cl) {
+
+ // try to find the resource as passed
+ InputStream returnValue = cl.getResourceAsStream(resource);
Review Comment:
`returnValue` should be `result`
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
+
+ for (ClassLoader cl : classLoader) {
+ if (null != cl) {
+
+ // try to find the resource as passed
Review Comment:
Comments in method could be removed
##########
jdbc/core/src/main/java/org/apache/shardingsphere/driver/jdbc/core/driver/ShardingSphereDriverURL.java:
##########
@@ -72,4 +72,30 @@ public byte[] toConfigurationBytes() {
return builder.toString().getBytes(StandardCharsets.UTF_8);
}
}
+
+ private InputStream getResourceAsStream(final String resource) throws
IOException {
+ ClassLoader[] classLoader = new ClassLoader[]{
+ Thread.currentThread().getContextClassLoader(),
+ getClass().getClassLoader(),
+ ClassLoader.getSystemClassLoader(),
+ };
Review Comment:
It's better to put them in one line for shorter code
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