org.bidib.wizard.model.stringdata.StoredStringsImpl Maven / Gradle / Ivy

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package org.bidib.wizard.model.stringdata;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.jgoodies.binding.beans.Model;

public class StoredStringsImpl extends Model implements StoredStrings {

    private static final Logger LOGGER = LoggerFactory.getLogger(StoredStringsImpl.class);

    private static final long serialVersionUID = 1L;

    private final int namespace;

    private int maxItems;

    private int maxLength;

    private final Map storedStrings = new HashMap<>();

    public StoredStringsImpl(int namespace) {
        this.namespace = namespace;
    }

    /**
     * @return the namespace
     */
    @Override
    public int getNamespace() {
        return namespace;
    }

    /**
     * @return the maxItems
     */
    @Override
    public int getMaxItems() {
        return maxItems;
    }

    /**
     * @param maxItems
     *            the maxItems to set
     */
    @Override
    public void setMaxItems(int maxItems) {
        int oldValue = this.maxItems;
        this.maxItems = maxItems;
        firePropertyChange(PROPERTY_MAX_ITEMS, oldValue, this.maxItems);
    }

    /**
     * @return the maxLength
     */
    @Override
    public int getMaxLength() {
        return maxLength;
    }

    /**
     * @param maxLength
     *            the maxLength to set
     */

    @Override
    public void setMaxLength(int maxLength) {
        int oldValue = this.maxLength;
        this.maxLength = maxLength;
        firePropertyChange(PROPERTY_MAX_LENGTH, oldValue, this.maxLength);
    }

    @Override
    public Map getStoredStrings() {
        return Collections.unmodifiableMap(storedStrings);
    }

    @Override
    public String getStoredString(int index) {
        return storedStrings.get(index);
    }

    @Override
    public void setStoredStrings(Map storedStrings) {
        Map oldValue = getStoredStrings();

        this.storedStrings.clear();
        if (storedStrings != null) {
            this.storedStrings.putAll(storedStrings);
        }

        firePropertyChange(PROPERTY_STOREDSTRINGS, oldValue, this.storedStrings);
    }

    @Override
    public void setStoredString(int index, String value) {

        if (index < this.maxItems) {
            String oldValue = getStoredString(index);
            this.storedStrings.put(index, value);

            fireIndexedPropertyChange(PROPERTY_STOREDSTRINGS, index, oldValue, value);
        }
        else {
            LOGGER.warn("Set the stored string failed because the index is out of bounds.");
        }
    }
}