com.google.collide.client.code.debugging.Breakpoint.java Source code

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Here is the source code for com.google.collide.client.code.debugging.Breakpoint.java

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// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.google.collide.client.code.debugging;

import com.google.collide.client.util.PathUtil;
import com.google.common.base.Objects;
import com.google.common.base.Strings;

/**
 * Represents a breakpoint. This class is immutable.
 */
public class Breakpoint {

    private final PathUtil path;
    private final int lineNumber;
    private final String condition;
    private final boolean active;

    private Breakpoint(Builder builder) {
        this.path = builder.path;
        this.lineNumber = builder.lineNumber;
        this.condition = Strings.nullToEmpty(builder.condition);
        this.active = builder.active;
    }

    public PathUtil getPath() {
        return path;
    }

    public int getLineNumber() {
        return lineNumber;
    }

    public String getCondition() {
        return condition;
    }

    public boolean isActive() {
        return active;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (obj instanceof Breakpoint) {
            Breakpoint that = (Breakpoint) obj;
            return Objects.equal(this.lineNumber, that.lineNumber) && Objects.equal(this.active, that.active)
                    && Objects.equal(this.path, that.path) && Objects.equal(this.condition, that.condition);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(path, lineNumber, condition, active);
    }

    @Override
    public String toString() {
        return "{Breakpoint @" + path + " #" + lineNumber + "}";
    }

    /**
     * Builder class for the {@link Breakpoint}.
     */
    public static class Builder {
        private PathUtil path;
        private int lineNumber;
        private String condition;
        private boolean active = true; // Active by default.

        public Builder(Breakpoint breakpoint) {
            this.path = breakpoint.path;
            this.lineNumber = breakpoint.lineNumber;
            this.condition = breakpoint.condition;
            this.active = breakpoint.active;
        }

        public Builder(PathUtil path, int lineNumber) {
            this.path = path;
            this.lineNumber = lineNumber;
        }

        public Builder setPath(PathUtil path) {
            this.path = path;
            return this;
        }

        public Builder setLineNumber(int lineNumber) {
            this.lineNumber = lineNumber;
            return this;
        }

        public Builder setCondition(String condition) {
            this.condition = condition;
            return this;
        }

        public Builder setActive(boolean active) {
            this.active = active;
            return this;
        }

        public Breakpoint build() {
            return new Breakpoint(this);
        }
    }
}