src/main/java/org/apache/sling/query/impl/selector/parser/SelectorSegment.java

/*-
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.sling.query.impl.selector.parser;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;

public class SelectorSegment {
    private final String type;

    private final String name;

    private final List<Attribute> attributes;

    private final List<Modifier> modifiers;

    private final char hierarchyOperator;

    public SelectorSegment(ParserContext context, boolean firstSegment) {
        this.type = context.getType();
        this.name = context.getName();
        this.attributes = new ArrayList<>(context.getAttributes());
        this.modifiers = new ArrayList<>(context.getModifiers());
        if (firstSegment) {
            hierarchyOperator = 0;
        } else {
            hierarchyOperator = context.getHierarchyOperator();
        }
    }

    SelectorSegment(String type, String name, List<Attribute> attributes, List<Modifier> modifiers,
            char hierarchyOperator) {
        this.type = type;
        this.name = name;
        this.attributes = attributes;
        this.modifiers = modifiers;
        this.hierarchyOperator = hierarchyOperator;
    }

    public String getType() {
        return type;
    }

    public String getName() {
        return name;
    }

    public List<Attribute> getAttributes() {
        return attributes;
    }

    public char getHierarchyOperator() {
        return hierarchyOperator;
    }

    public List<Modifier> getModifiers() {
        return modifiers;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (obj == this) {
            return true;
        }
        if (obj.getClass() != getClass()) {
            return false;
        }
        SelectorSegment rhs = (SelectorSegment) obj;
        return new EqualsBuilder().append(type, rhs.type).append(attributes, rhs.attributes)
                .append(modifiers, rhs.modifiers).append(hierarchyOperator, rhs.hierarchyOperator).isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder().append(type).append(attributes).append(modifiers).append(hierarchyOperator)
                .toHashCode();
    }

    @Override
    public String toString() {
        return String.format("SelectorSegment[%s,%s,%s,%s]", type, attributes, modifiers, hierarchyOperator);
    }
}