如何使用jsonschema2pojo生成包含名为“ System”的类的类？

Question

I am attempting to generate Java classes from a third party JSON schema using jsonschema2pojo , so I need to go with the names of classes. One of the classes is called System . As a result, for all classes other than that class, there is an error in the toString() method:

package com.example;

// within a class

@Override
public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append(Status.class.getName()).append('@').append(Integer.toHexString(System.identityHashCode(this))).append('[');
    ...
}

The issue is in the call to System.identityHashCode() , because the System class is resolved to be the class in the same package, not the java.lang.System class. The call within the System class that's generated looks like this:

sb.append(System.class.getName()).append('@').append(Integer.toHexString(java.lang.System.identityHashCode(this))).append('[');

The JSON can be any JSON at all, ie even { "type": "object" } for 2 classes, one called System and another called Foo will cause the error. I am generating the code using the Java API, like this:

String packageName = "com.example";
JCodeModel codeModel = new JCodeModel();
GenerationConfig config = new DefaultGenerationConfig() {
    @Override
    public boolean isGenerateBuilders() { // set config option by overriding method
        return true;
    }
};
SchemaMapper mapper = new SchemaMapper(new RuleFactory(config, new Jackson2Annotator(config), new SchemaStore()), new SchemaGenerator());

mapper.generate(codeModel, #NAME_OF_CLASS#, packageName, SOME_URL);
codeModel.build(outputDir);

How can I generate the code such that the fully qualified java.lang.System class is used for all classes?

Answer 1

Actually, this was an issue with Intellij. The generated classes were correct, I just copied them from a generated directory to a source directory, and Intellij thought it would be helpful and simplify the class as part of the copy. As a result, this actually broke the generated classes.