android/src/com/android/tools/idea/gradle/dsl/parser/PsiElements.java

/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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.android.tools.idea.gradle.dsl.parser;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrLiteral;

import static com.intellij.openapi.util.text.StringUtil.isQuotedString;
import static com.intellij.openapi.util.text.StringUtil.unquoteString;

final class PsiElements {
  private PsiElements() {
  }

  @Nullable
  static String getUnquotedText(@NotNull GrLiteral literal) {
    String text = literal.getText();
    if (text != null && text.length() > 2 && isQuotedString(text)) {
      return unquoteString(text);
    }
    return null;
  }
}