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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.refactoring.wrapreturnvalue;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiType;
import com.intellij.psi.PsiTypeParameter;
import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
import com.intellij.psi.codeStyle.JavaCodeStyleManager;
import com.intellij.psi.codeStyle.VariableKind;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
class ReturnValueBeanBuilder {
private final List<PsiTypeParameter> myTypeParams = new ArrayList<PsiTypeParameter>();
private String myClassName = null;
private String myPackageName = null;
private Project myProject = null;
private PsiType myValueType = null;
private boolean myStatic;
public void setClassName(String className) {
myClassName = className;
}
public void setPackageName(String packageName) {
myPackageName = packageName;
}
public void setTypeArguments(List<PsiTypeParameter> typeParams) {
myTypeParams.clear();
myTypeParams.addAll(typeParams);
}
public void setProject(Project project) {
myProject = project;
}
public void setValueType(PsiType valueType) {
myValueType = valueType;
}
public void setStatic(boolean isStatic) {
myStatic = isStatic;
}
public String buildBeanClass() throws IOException {
final StringBuilder out = new StringBuilder(1024);
if (myPackageName.length() > 0) {
out.append("package ").append(myPackageName).append(";\n\n");
}
out.append("public ");
if (myStatic) out.append("static ");
out.append("class ").append(myClassName);
if (!myTypeParams.isEmpty()) {
out.append('<');
boolean first = true;
for (PsiTypeParameter typeParam : myTypeParams) {
if (!first) {
out.append(',');
}
final String parameterText = typeParam.getText();
out.append(parameterText);
first = false;
}
out.append('>');
}
out.append(" {\n");
outputField(out);
out.append("\n\n");
outputConstructor(out);
out.append("\n\n");
outputGetter(out);
out.append("\n}\n");
return out.toString();
}
private void outputField(StringBuilder out) {
final String typeText = myValueType.getCanonicalText(false);
out.append('\t' + "private final ").append(typeText).append(' ').append(getFieldName("value")).append(";");
}
private void outputConstructor(StringBuilder out) {
final String typeText = myValueType.getCanonicalText(true);
final String name = "value";
final String parameterName = JavaCodeStyleManager.getInstance(myProject).propertyNameToVariableName(name, VariableKind.PARAMETER);
final String fieldName = getFieldName(name);
out.append("\tpublic ").append(myClassName).append('(');
out.append(CodeStyleSettingsManager.getSettings(myProject).GENERATE_FINAL_PARAMETERS ? "final " : "");
out.append(typeText).append(' ').append(parameterName);
out.append(") {\n");
if (fieldName.equals(parameterName)) {
out.append("\t\tthis.").append(fieldName).append(" = ").append(parameterName).append(";\n");
}
else {
out.append("\t\t").append(fieldName).append(" = ").append(parameterName).append(";\n");
}
out.append("\t}");
}
private void outputGetter(StringBuilder out) {
final String typeText = myValueType.getCanonicalText(true);
final String name = "value";
final String capitalizedName = StringUtil.capitalize(name);
final String fieldName = getFieldName(name);
out.append("\tpublic ").append(typeText).append(" get").append(capitalizedName).append("() {\n");
out.append("\t\treturn ").append(fieldName).append(";\n");
out.append("\t}");
}
private String getFieldName(final String name) {
return JavaCodeStyleManager.getInstance(myProject).propertyNameToVariableName(name, VariableKind.FIELD);
}
}
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