com.quatico.base.aem.test.model.Properties.java Source code

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Here is the source code for com.quatico.base.aem.test.model.Properties.java

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/*
 * Copyright 2016 Quatico Solutions Inc.
 * 
 * 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.quatico.base.aem.test.model;

import com.quatico.base.aem.test.api.values.TypedStringValue;

import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.commons.lang3.StringUtils;

public class Properties extends AbstractList<Object> {
    private final List<Object> data;

    public Properties(Object... data) throws IllegalArgumentException {
        if (data.length > 0 && data.length % 2 != 0) {
            throw new IllegalArgumentException("Cannot handle odd number of property entries.");
        }
        this.data = new LinkedList<>(Arrays.asList(data));
    }

    public Properties(Map<String, Object> data) {
        this.data = new LinkedList<>();
        for (Entry<String, Object> entry : data.entrySet()) {
            this.data.add(entry.getKey());
            this.data.add(entry.getValue());
        }
    }

    public Properties append(String name, Object value) {
        if (StringUtils.isNotEmpty(name) && value != null) {
            this.data.add(name);
            this.data.add(value);
        }
        return this;
    }

    public Properties appendIfNotSet(String key, Object value) {
        if (!contains(key)) {
            return append(key, value);
        }
        return this;
    }

    public Object remove(String name) {
        if (this.data.contains(name)) {
            int pos = this.data.indexOf(name);
            this.data.remove(pos); // removes property name
            return this.data.remove(pos); // removes property value
        }
        return null;
    }

    @Override
    public Object get(int index) {
        return this.data.get(index);
    }

    @Override
    public int indexOf(Object element) {
        int result = this.data.indexOf(element);
        if (result == -1 && element instanceof String) {
            result = this.data.indexOf(toQualifiedKey(element));
        }
        return result;
    }

    @Override
    public int lastIndexOf(Object element) {
        int result = this.data.lastIndexOf(element);
        if (result == -1 && element instanceof String) {
            result = this.data.lastIndexOf(toQualifiedKey(element));
        }
        return result;
    }

    @Override
    public int size() {
        return this.data.size();
    }

    @Override
    public boolean contains(Object element) {
        if (this.data.contains(element)) {
            return true;
        }
        if (element instanceof String) {
            if (this.data.contains(toQualifiedKey(element))) {
                return true;
            }
        }
        return false;
    }

    @Override
    public Object[] toArray() {
        Object[] result = new Object[this.data.size()];
        for (int idx = 0; idx < result.length - 1; idx += 2) {
            result[idx] = toQualifiedKey(this.data.get(idx));
            result[idx + 1] = this.data.get(idx + 1);
        }
        return result;
    }

    @SuppressWarnings("unchecked")
    public Map<String, Object> toMap() {
        Map<String, Object> result = new LinkedHashMap<>();
        for (int idx = 0; idx < this.data.size() - 1; idx += 2) {
            result.put(toQualifiedKey(toMappedValue(idx)), toMappedValue(idx + 1));
        }
        return result;
    }

    public Value[] toValues() {
        List<Value> result = new ArrayList<>(this.data.size() / 2);
        for (int idx = 0; idx < this.data.size() - 1; idx += 2) {
            String key = (String) this.data.get(idx);
            Object value = this.data.get(idx + 1);
            result.add(new Value(key, value));
        }
        return result.toArray(new Value[result.size()]);
    }

    private String toQualifiedKey(Object value) {
        return value != null ? value.toString() : StringUtils.EMPTY;
    }

    private Object toMappedValue(int idx) {
        Object value = this.data.get(idx);
        if (value instanceof TypedStringValue) {
            return value.toString();
        } else {
            return value;
        }
    }

    public static class Value {
        private final String name;
        private final Object value;

        public Value(String name, Object value) {
            this.name = name;
            this.value = value;
        }

        public Object getValue() {
            return value;
        }

        public String getName() {
            return name;
        }

        @Override
        public int hashCode() {
            int result = name != null ? name.hashCode() : 0;
            result = 31 * result + (value != null ? value.hashCode() : 0);
            return result;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) {
                return true;
            }
            if (o == null || getClass() != o.getClass()) {
                return false;
            }

            Value value1 = (Value) o;

            if (name != null ? !name.equals(value1.name) : value1.name != null) {
                return false;
            }
            return value != null ? value.equals(value1.value) : value1.value == null;

        }
    }
}