rulesets.java.ali-oop.xml Maven / Gradle / Ivy
<?xml version="1.0"?>
<ruleset name="AlibabaJavaOop" xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
<description>AlibabaJavaOop</description>
<rule name="EqualsAvoidNullRule"
language="java"
message="java.oop.EqualsAvoidNullRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.EqualsAvoidNullRule">
<priority>2</priority>
<example>
<![CDATA[
public void f(String str){
String inner = "hi";
if (inner.equals(str)) {
System.out.println("hello world");
}
}
]]>
</example>
</rule>
<rule name="WrapperTypeEqualityRule"
language="java"
message="java.oop.WrapperTypeEqualityRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.WrapperTypeEqualityRule">
<description>java.oop.WrapperTypeEqualityRule.rule.desc</description>
<priority>1</priority>
<example>
<![CDATA[
Integer a = 235;
Integer b = 235;
if (a.equals(b)) {
// code
}
]]>
</example>
</rule>
<rule name="PojoMustUsePrimitiveFieldRule"
language="java"
message="java.oop.PojoMustUsePrimitiveFieldRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.PojoMustUsePrimitiveFieldRule">
<description>java.oop.PojoMustUsePrimitiveFieldRule.rule.msg.desc</description>
<priority>3</priority>
<example>
<![CDATA[
public class DemoDO {
String str;
Integer a;
}
]]>
</example>
</rule>
<rule name="PojoNoDefaultValueRule"
language="java"
message="java.oop.PojoNoDefaultValueRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.PojoNoDefaultValueRule">
<priority>3</priority>
<example>
<![CDATA[
public class DemoDO {
String str;
Integer a;
}
]]>
</example>
</rule>
<rule name="PojoMustOverrideToStringRule"
language="java"
message="java.oop.PojoMustOverrideToStringRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.PojoMustOverrideToStringRule">
<description>java.oop.PojoMustOverrideToStringRule.rule.desc</description>
<priority>3</priority>
<example>
<![CDATA[
public class ToStringDemo extends Super{
private String secondName;
@Override
public String toString() {
return super.toString() + "ToStringDemo{" + "secondName='" + secondName + '\'' + '}';
}
}
class Super {
private String firstName;
@Override
public String toString() {
return "Super{" + "firstName=" + firstName + '\'' + '}';
}
}
]]>
</example>
</rule>
<rule name="StringConcatRule"
language="java"
message="java.oop.StringConcatRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.StringConcatRule">
<description>java.oop.StringConcatRule.rule.msg.desc</description>
<priority>3</priority>
<example>
<![CDATA[
Negative example:
String result;
for (String string : tagNameList) {
result = result + string;
}
]]>
</example>
<example>
<![CDATA[
Positive example:
StringBuilder stringBuilder = new StringBuilder();
for (String string : tagNameList) {
stringBuilder.append(string);
}
String result = stringBuilder.toString();
]]>
</example>
</rule>
<rule name="BigDecimalAvoidDoubleConstructorRule"
language="java"
message="java.oop.BigDecimalAvoidDoubleConstructorRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.BigDecimalAvoidDoubleConstructorRule">
<description>java.oop.StringConcatRule.rule.msg.desc</description>
<priority>3</priority>
<example>
<![CDATA[
Negative example:
BigDecimal good1 = new BigDecimal(0.1);
]]>
</example>
<example>
<![CDATA[
Positive example:
BigDecimal good1 = new BigDecimal("0.1");
BigDecimal good2 = BigDecimal.valueOf(0.1);
]]>
</example>
</rule>
<rule name="VarargsParameterRule" language="java"
message="java.oop.VarargsParameterRule.rule.msg"
class="com.alibaba.p3c.pmd.lang.java.rule.oop.VarargsParameterRule">
<priority>4</priority>
<example>
<![CDATA[
Positive example:
private void method(int a, int b, int... varargs) {
}
Negative example:
private void method(int a, int b, Object... varargs) {
}
]]>
</example>
</rule>
</ruleset>