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A general programming library in Java/Android. It's easy to learn and simple to use with concise and powerful APIs.

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/*
 * Copyright (C) 2015 HaiYang Li
 *
 * 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.landawn.abacus.type;

import java.io.IOException;
import java.io.Writer;
import java.lang.reflect.Array;

import com.landawn.abacus.exception.UncheckedIOException;
import com.landawn.abacus.parser.SerializationConfig;
import com.landawn.abacus.util.BufferedJSONWriter;
import com.landawn.abacus.util.BufferedWriter;
import com.landawn.abacus.util.CharacterWriter;
import com.landawn.abacus.util.N;
import com.landawn.abacus.util.Objectory;
import com.landawn.abacus.util.Range;
import com.landawn.abacus.util.Range.BoundType;
import com.landawn.abacus.util.Strings;
import com.landawn.abacus.util.WD;

/**
 *
 * @author Haiyang Li
 * @param 
 * @since 0.8
 */
@SuppressWarnings("java:S2160")
public class RangeType> extends AbstractType> {

    static final Type strType = TypeFactory.getType(String.class);

    public static final String RANGE = Range.class.getSimpleName();

    private final String declaringName;

    private final Class> typeClass;

    private final Type[] parameterTypes;

    private final Type elementType;

    //    RangeType() {
    //        this(Object.class.getSimpleName());
    //    }

    @SuppressWarnings("rawtypes")
    RangeType(String parameterTypeName) {
        super(RANGE + WD.LESS_THAN + TypeFactory.getType(parameterTypeName).name() + WD.GREATER_THAN);

        this.declaringName = RANGE + WD.LESS_THAN + TypeFactory.getType(parameterTypeName).declaringName() + WD.GREATER_THAN;
        this.typeClass = (Class) Range.class;
        this.parameterTypes = new Type[] { TypeFactory.getType(parameterTypeName) };
        this.elementType = parameterTypes[0];
    }

    /**
     * 
     *
     * @return 
     */
    @Override
    public String declaringName() {
        return declaringName;
    }

    /**
     * 
     *
     * @return 
     */
    @Override
    public Class> clazz() {
        return typeClass;
    }

    /**
     * Gets the parameter types.
     *
     * @return
     */
    @Override
    public Type[] getParameterTypes() {
        return parameterTypes;
    }

    /**
     * Gets the element type.
     *
     * @return
     */
    @Override
    public Type getElementType() {
        return elementType;
    }

    /**
     * Checks if is generic type.
     *
     * @return true, if is generic type
     */
    @Override
    public boolean isGenericType() {
        return true;
    }

    /**
     *
     * @param x
     * @return
     */
    @Override
    public String stringOf(Range x) {
        if (x == null) {
            return null;
        }

        final BoundType boundType = x.boundType();
        final String prefix = (boundType == BoundType.OPEN_OPEN || boundType == BoundType.OPEN_CLOSED) ? "(" : "[";
        final String postfix = (boundType == BoundType.OPEN_OPEN || boundType == BoundType.CLOSED_OPEN) ? ")" : "]";
        Type type = elementType;

        if (x.lowerEndpoint() != null) {
            type = TypeFactory.getType(x.lowerEndpoint().getClass());
        } else if (x.upperEndpoint() != null) {
            type = TypeFactory.getType(x.upperEndpoint().getClass());
        }

        return prefix + type.stringOf(x.lowerEndpoint()) + ELEMENT_SEPARATOR + type.stringOf(x.upperEndpoint()) + postfix;
    }

    /**
     *
     * @param str
     * @return
     */
    @Override
    public Range valueOf(String str) {
        str = Strings.trim(str);

        if (N.isNullOrEmpty(str)) {
            return null;
        }

        final String prefix = str.substring(0, 1);
        final String postfix = str.substring(str.length() - 1);

        final T[] tmp = (T[]) Utils.jsonParser.deserialize(Array.newInstance(elementType.clazz(), 0).getClass(), str, 1, str.length() - 1, Utils.jdc);

        if ("(".equals(prefix)) {
            return ")".equals(postfix) ? Range.open(tmp[0], tmp[1]) : Range.openClosed(tmp[0], tmp[1]);
        } else {
            return ")".equals(postfix) ? Range.closedOpen(tmp[0], tmp[1]) : Range.closed(tmp[0], tmp[1]);
        }
    }

    /**
     *
     * @param writer
     * @param x
     * @throws IOException Signals that an I/O exception has occurred.
     */
    @Override
    public void write(Writer writer, Range x) throws IOException {
        if (x == null) {
            writer.write(NULL_CHAR_ARRAY);
        } else {
            final BoundType boundType = x.boundType();
            final String prefix = (boundType == BoundType.OPEN_OPEN || boundType == BoundType.OPEN_CLOSED) ? "(" : "[";
            final String postfix = (boundType == BoundType.OPEN_OPEN || boundType == BoundType.CLOSED_OPEN) ? ")" : "]";
            Type type = elementType;

            if (x.lowerEndpoint() != null) {
                type = TypeFactory.getType(x.lowerEndpoint().getClass());
            } else if (x.upperEndpoint() != null) {
                type = TypeFactory.getType(x.upperEndpoint().getClass());
            }

            boolean isBufferedWriter = writer instanceof BufferedWriter || writer instanceof java.io.BufferedWriter;
            final Writer bw = isBufferedWriter ? writer : Objectory.createBufferedWriter(writer);

            try {
                bw.write(prefix);

                type.write(bw, x.lowerEndpoint());
                bw.write(ELEMENT_SEPARATOR_CHAR_ARRAY);
                type.write(bw, x.upperEndpoint());

                bw.write(postfix);

                if (!isBufferedWriter) {
                    bw.flush();
                }
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            } finally {
                if (!isBufferedWriter) {
                    Objectory.recycle((BufferedWriter) bw);
                }
            }
        }
    }

    /**
     *
     * @param writer
     * @param x
     * @param config
     * @throws IOException Signals that an I/O exception has occurred.
     */
    @Override
    public void writeCharacter(CharacterWriter writer, Range x, SerializationConfig config) throws IOException {
        if (x == null) {
            writer.write(NULL_CHAR_ARRAY);
        } else {
            final BoundType boundType = x.boundType();
            final String prefix = (boundType == BoundType.OPEN_OPEN || boundType == BoundType.OPEN_CLOSED) ? "(" : "[";
            final String postfix = (boundType == BoundType.OPEN_OPEN || boundType == BoundType.CLOSED_OPEN) ? ")" : "]";
            Type type = elementType;

            if (x.lowerEndpoint() != null) {
                type = TypeFactory.getType(x.lowerEndpoint().getClass());
            } else if (x.upperEndpoint() != null) {
                type = TypeFactory.getType(x.upperEndpoint().getClass());
            }

            final CharacterWriter tmpWriter = writer instanceof BufferedJSONWriter ? Objectory.createBufferedJSONWriter() : Objectory.createBufferedXMLWriter();

            try {
                tmpWriter.write(prefix);
                type.writeCharacter(tmpWriter, x.lowerEndpoint(), config);
                tmpWriter.write(ELEMENT_SEPARATOR_CHAR_ARRAY);
                type.writeCharacter(tmpWriter, x.upperEndpoint(), config);
                tmpWriter.write(postfix);

                strType.writeCharacter(writer, tmpWriter.toString(), config);
            } catch (IOException e) {
                throw new UncheckedIOException(e);
            } finally {
                Objectory.recycle(tmpWriter);
            }
        }
    }
}




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