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An auxiliary findbugs.sourceforge.net plugin for java bug detectors that fall outside the narrow scope of detectors to be packaged with the product itself.
/*
* fb-contrib - Auxiliary detectors for Java programs
* Copyright (C) 2005-2018 ThrawnCA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.mebigfatguy.fbcontrib.utils;
import java.util.ArrayList;
import java.util.List;
/**
* Constructs a method signature.
*/
public class SignatureBuilder {
public static final String SIG_VOID_TO_VOID = new SignatureBuilder().toString();
public static final String SIG_VOID_TO_BOOLEAN = new SignatureBuilder().withReturnType(Values.SIG_PRIMITIVE_BOOLEAN).toString();
public static final String SIG_VOID_TO_INT = new SignatureBuilder().withReturnType(Values.SIG_PRIMITIVE_INT).toString();
public static final String SIG_VOID_TO_LONG = new SignatureBuilder().withReturnType(Values.SIG_PRIMITIVE_LONG).toString();
public static final String SIG_VOID_TO_STRING = new SignatureBuilder().withReturnType(Values.SLASHED_JAVA_LANG_STRING).toString();
public static final String SIG_VOID_TO_OBJECT = new SignatureBuilder().withReturnType(Values.SLASHED_JAVA_LANG_OBJECT).toString();
public static final String SIG_INT_TO_VOID = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_INT).toString();
public static final String SIG_INT_TO_BOOLEAN = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_INT).withReturnType(Values.SIG_PRIMITIVE_BOOLEAN)
.toString();
public static final String SIG_INT_TO_OBJECT = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_INT)
.withReturnType(Values.SLASHED_JAVA_LANG_OBJECT).toString();
public static final String SIG_INT_TO_INT = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_INT).withReturnType(Values.SIG_PRIMITIVE_INT)
.toString();
public static final String SIG_LONG_TO_VOID = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_LONG).toString();
public static final String SIG_LONG_TO_LONG = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_LONG).withReturnType(Values.SIG_PRIMITIVE_LONG)
.toString();
public static final String SIG_LONG_AND_INT_TO_VOID = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_LONG, Values.SIG_PRIMITIVE_LONG)
.toString();
public static final String SIG_OBJECT_TO_VOID = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_OBJECT).toString();
public static final String SIG_OBJECT_TO_OBJECT = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_OBJECT)
.withReturnType(Values.SLASHED_JAVA_LANG_OBJECT).toString();
public static final String SIG_OBJECT_TO_BOOLEAN = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_OBJECT)
.withReturnType(Values.SIG_PRIMITIVE_BOOLEAN).toString();
public static final String SIG_OBJECT_TO_STRING = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_OBJECT)
.withReturnType(Values.SLASHED_JAVA_LANG_STRING).toString();
public static final String SIG_TWO_OBJECTS_TO_OBJECT = new SignatureBuilder()
.withParamTypes(Values.SLASHED_JAVA_LANG_OBJECT, Values.SLASHED_JAVA_LANG_OBJECT).withReturnType(Values.SLASHED_JAVA_LANG_OBJECT).toString();
public static final String SIG_THROWABLE_TO_VOID = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_THROWABLE).toString();
public static final String SIG_STRING_TO_VOID = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_STRING).toString();
public static final String SIG_TWO_STRINGS_TO_VOID = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_STRING, Values.SLASHED_JAVA_LANG_STRING)
.toString();
public static final String SIG_STRING_AND_OBJECT_TO_VOID = new SignatureBuilder()
.withParamTypes(Values.SLASHED_JAVA_LANG_STRING, Values.SLASHED_JAVA_LANG_OBJECT).toString();
public static final String SIG_STRING_TO_BOOLEAN = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_STRING)
.withReturnType(Values.SIG_PRIMITIVE_BOOLEAN).toString();
public static final String SIG_STRING_TO_INT = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_STRING)
.withReturnType(Values.SIG_PRIMITIVE_INT).toString();
public static final String SIG_PRIMITIVE_BOOLEAN_TO_BOOLEAN = new SignatureBuilder().withParamTypes(Values.SIG_PRIMITIVE_BOOLEAN)
.withReturnType(Values.SLASHED_JAVA_LANG_BOOLEAN).toString();
public static final String SIG_COLLECTION_TO_PRIMITIVE_BOOLEAN = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_UTIL_COLLECTION)
.withReturnType(Values.SIG_PRIMITIVE_BOOLEAN).toString();
public static final String SIG_READ_OBJECT = new SignatureBuilder().withMethodName("readObject").withParamTypes("java/io/ObjectInputStream").toString();
public static final String SIG_BYTE_ARRAY = SignatureUtils.toArraySignature(Values.SIG_PRIMITIVE_BYTE);
public static final String SIG_CHAR_ARRAY = SignatureUtils.toArraySignature(Values.SIG_PRIMITIVE_CHAR);
public static final String SIG_OBJECT_ARRAY = SignatureUtils.toArraySignature(Values.SLASHED_JAVA_LANG_OBJECT);
public static final String SIG_STRING_ARRAY = SignatureUtils.toArraySignature(Values.SLASHED_JAVA_LANG_STRING);
public static final String PARAM_NONE = new SignatureBuilder().withoutReturnType().toString();
public static final String PARAM_STRING = new SignatureBuilder().withParamTypes(Values.SLASHED_JAVA_LANG_STRING).withoutReturnType().toString();
private String methodName;
private List paramTypes;
private String returnType;
/**
* Defaults assume that the method name is not included, there are no parameters, and the method returns void.
*/
public SignatureBuilder() {
methodName = "";
paramTypes = null;
returnType = Values.SIG_VOID;
}
public SignatureBuilder withMethodName(String name) {
methodName = name;
return this;
}
public SignatureBuilder withParamTypes(String... types) {
if (types == null) {
paramTypes = null;
} else {
paramTypes = new ArrayList<>(types.length);
for (String type : types) {
paramTypes.add(SignatureUtils.classToSignature(type));
}
}
return this;
}
public SignatureBuilder withParamTypes(Class... types) {
if (types == null) {
paramTypes = null;
} else {
paramTypes = new ArrayList<>(types.length);
for (Class type : types) {
paramTypes.add(SignatureUtils.classToSignature(type.getName()));
}
}
return this;
}
public SignatureBuilder withReturnType(String type) {
if ((type == null) || (type.length() == 0)) {
throw new IllegalArgumentException("Missing return type; did you mean 'withoutReturnType'? -- " + this);
}
returnType = SignatureUtils.classToSignature(type);
return this;
}
public SignatureBuilder withReturnType(Class type) {
if (type == null) {
throw new IllegalArgumentException("Missing return type; did you mean 'withoutReturnType'? -- " + this);
}
return withReturnType(type.getName());
}
public SignatureBuilder withoutReturnType() {
returnType = "";
return this;
}
public String build() {
return methodName + '(' + join(paramTypes) + ')' + returnType;
}
@Override
public String toString() {
return build();
}
private String join(List strings) {
if (paramTypes == null) {
return "";
}
StringBuilder returnValue = new StringBuilder();
for (String s : strings) {
returnValue.append(s);
}
return returnValue.toString();
}
}