com.intellij.plugins.haxe.model.FullyQualifiedInfo.java Source code

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Here is the source code for com.intellij.plugins.haxe.model.FullyQualifiedInfo.java

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/*
 * Copyright 2017-2017 Ilya Malanin
 *
 * 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.plugins.haxe.model;

import com.intellij.plugins.haxe.lang.psi.HaxeReferenceExpression;
import org.apache.commons.lang.StringUtils;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Objects;

public class FullyQualifiedInfo {
    public static final char PATH_SEPARATOR = '.';

    final public String packagePath;
    final public String fileName;
    final public String className;
    final public String memberName;

    public FullyQualifiedInfo(String packagePath, @Nullable String fileName, @Nullable String className,
            @Nullable String memberName) {
        this.packagePath = packagePath;
        this.fileName = fileName;
        this.className = className;
        this.memberName = memberName;
    }

    public FullyQualifiedInfo(@Nullable String fullyQualifiedIdentifier) {
        this(new ArrayList<>(fullyQualifiedIdentifier != null
                ? Arrays.asList(StringUtils.split(fullyQualifiedIdentifier, PATH_SEPARATOR))
                : Collections.emptyList()));
    }

    public FullyQualifiedInfo(@Nullable HaxeReferenceExpression referenceExpression) {
        this(referenceExpression != null ? referenceExpression.getText() : null);
    }

    private FullyQualifiedInfo(ArrayList<String> parts) {
        StringBuilder packagePathBuilder = new StringBuilder();

        int i = 0;
        int size = parts.size();
        while (i < size) {
            String identifier = parts.get(i);
            if (identifier == null) {
                packagePath = null;
                fileName = null;
                memberName = null;
                className = null;
                return;
            }
            if (!Character.isLowerCase(identifier.charAt(0))) {
                break;
            }
            if (i > 0)
                packagePathBuilder.append(PATH_SEPARATOR);
            packagePathBuilder.append(identifier);

            i++;
        }

        packagePath = packagePathBuilder.toString();
        fileName = i < size ? parts.get(i++) : null;

        if (fileName == null) {
            className = null;
            memberName = null;
        } else {
            final String classOrMemberName = i < size ? parts.get(i++) : null;
            if (classOrMemberName != null && Character.isLowerCase(classOrMemberName.charAt(0))) {
                memberName = classOrMemberName;
                className = fileName;
            } else {
                className = classOrMemberName;
                memberName = i < size ? parts.get(i) : null;
            }
        }
    }

    @Override
    public String toString() {
        StringBuilder builder = new StringBuilder();
        if (packagePath != null && !packagePath.isEmpty()) {
            builder.append(packagePath);
        }

        if (fileName == null || fileName.isEmpty())
            return builder.toString();
        if (builder.length() > 0)
            builder.append(PATH_SEPARATOR);
        builder.append(fileName);

        if (className != null && !className.isEmpty()) {
            builder.append(PATH_SEPARATOR);
            builder.append(className);
        }

        if (memberName != null && !memberName.isEmpty()) {
            builder.append(PATH_SEPARATOR);
            builder.append(memberName);
        }

        return builder.toString();
    }

    public String getPresentableText() {
        StringBuilder builder = new StringBuilder();
        if (packagePath != null && !packagePath.isEmpty()) {
            builder.append(packagePath);
        }

        if (fileName == null || fileName.isEmpty())
            return builder.toString();
        if (builder.length() > 0)
            builder.append(PATH_SEPARATOR);
        builder.append(fileName);

        if (className != null && !className.isEmpty() && !className.equals(fileName)) {
            builder.append(PATH_SEPARATOR);
            builder.append(className);
        }

        if (memberName != null && !memberName.isEmpty()) {
            builder.append(PATH_SEPARATOR);
            builder.append(memberName);
        }

        return builder.toString();
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null)
            return false;
        if (obj == this)
            return true;

        if (obj instanceof FullyQualifiedInfo) {
            FullyQualifiedInfo equalsObject = (FullyQualifiedInfo) obj;

            return getPresentableText().equals(equalsObject.getPresentableText());
        }

        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hash(packagePath, fileName, className, memberName);
    }

    public String getClassPath() {
        return getFilePath() + PATH_SEPARATOR + className;
    }

    public String getFilePath() {
        String result = packagePath;

        if (result.isEmpty()) {
            result = fileName;
        } else {
            result += PATH_SEPARATOR + fileName;
        }

        return result;
    }

    public FullyQualifiedInfo toPackageQualifiedName() {
        return new FullyQualifiedInfo(this.packagePath, null, null, null);
    }

    public boolean equalsToNamedPart(String name) {
        return equalsToMemberName(name) || equalsToClassName(name) || equalsToFileName(name);
    }

    private boolean equalsToMemberName(String name) {
        return memberName != null && memberName.equals(name);
    }

    private boolean equalsToClassName(String name) {
        return memberName == null && className != null && className.equals(name);
    }

    private boolean equalsToFileName(String name) {
        return className == null && fileName != null && fileName.equals(name);
    }
}