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• FileProperties.java

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uno.informatics.common.io.FileProperties Maven / Gradle / Ivy

package uno.informatics.common.io;

import static uno.informatics.common.Constants.UNKNOWN_INDEX;

import java.beans.PropertyChangeSupport;
import java.io.File;

import uno.informatics.data.io.FileType;

public class FileProperties {
    public static final String FILE_PROPERTY = FileProperties.class.getName() + ".file";
    public static final String FILE_TYPE_PROPERTY = FileProperties.class.getName() + ".fileType";
    public static final String ROW_HEADER_POSITION_PROPERTY = FileProperties.class.getName()
        + ".rowHeaderPosition";
    public static final String COLUMN_HEADER_POSITION_PROPERTY = FileProperties.class.getName()
        + ".columnHeaderPosition";
    public static final String DATA_ROW_POSITION_PROPERTY = FileProperties.class.getName()
        + ".dataRowPosition";
    public static final String DATA_COLUMN_POSITION_PROPERTY = FileProperties.class.getName()
        + ".dataColumnPosition";

    private File file;
    private PropertyChangeSupport propertyChangeSupport;

    private static final int DEFAULT_ROW_HEADER_POSITION = 0;
    private static final int DEFAULT_DATA_ROW = 1;
    private static final int DEFAULT_COLUMN_HEADER_POSITION = 0;
    private static final int DEFAULT_DATA_COLUMN = 1;

    private FileType fileType = FileType.TXT;
    private int rowHeaderPosition = DEFAULT_ROW_HEADER_POSITION;
    private int columnHeaderPosition = DEFAULT_COLUMN_HEADER_POSITION;
    private int dataRowPosition = DEFAULT_DATA_ROW;
    private int dataColumnPosition = DEFAULT_DATA_COLUMN;

    public FileProperties(String file) {
        this(new File(file), FileType.TXT);
    }

    public FileProperties(String file, FileType fileType) {
        this(new File(file), fileType);
    }

    public FileProperties(File file) {
        this(file, FileType.TXT);
    }

    public FileProperties(File file, FileType fileType) {
        this(file, fileType, UNKNOWN_INDEX, 0, UNKNOWN_INDEX, 0);
    }

    public FileProperties(String file, boolean columnHeaders) {
        this(file, FileType.TXT, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX, UNKNOWN_INDEX, 0);
    }

    public FileProperties(String file, FileType fileType, boolean columnHeaders) {
        this(file, fileType, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX, UNKNOWN_INDEX, 0);
    }

    public FileProperties(File file, boolean columnHeaders) {
        this(file, FileType.TXT, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX, UNKNOWN_INDEX, 0);
    }

    public FileProperties(File file, FileType fileType, boolean columnHeaders) {
        this(file, fileType, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX, UNKNOWN_INDEX, 0);
    }

    public FileProperties(String file, boolean columnHeaders, boolean rowHeaders) {
        this(new File(file), FileType.TXT, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_ROW_HEADER_POSITION : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_DATA_COLUMN : UNKNOWN_INDEX);
    }

    public FileProperties(String file, FileType fileType, boolean columnHeaders, boolean rowHeaders) {
        this(new File(file), fileType, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_ROW_HEADER_POSITION : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_DATA_COLUMN : UNKNOWN_INDEX);
    }

    public FileProperties(File file, boolean columnHeaders, boolean rowHeaders) {
        this(file, FileType.TXT, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_ROW_HEADER_POSITION : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_DATA_COLUMN : UNKNOWN_INDEX);
    }

    public FileProperties(File file, FileType fileType, boolean columnHeaders, boolean rowHeaders) {
        this(file, fileType, columnHeaders ? DEFAULT_COLUMN_HEADER_POSITION : UNKNOWN_INDEX,
            columnHeaders ? DEFAULT_DATA_ROW : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_ROW_HEADER_POSITION : UNKNOWN_INDEX,
            rowHeaders ? DEFAULT_DATA_COLUMN : UNKNOWN_INDEX);
    }

    public FileProperties(String file, int columnHeaderPosition, int dataRowPosition) {
        this(new File(file), FileType.TXT, columnHeaderPosition, dataRowPosition, UNKNOWN_INDEX, 0);
    }

    public FileProperties(String file, FileType fileType, int columnHeaderPosition, int dataRowPosition) {
        this(new File(file), fileType, columnHeaderPosition, dataRowPosition, UNKNOWN_INDEX, 0);
    }

    public FileProperties(File file, int columnHeaderPosition, int dataRowPosition) {
        this(file, FileType.TXT, columnHeaderPosition, dataRowPosition, UNKNOWN_INDEX, 0);
    }

    public FileProperties(File file, FileType fileType, int columnHeaderPosition, int dataRowPosition) {
        this(file, fileType, columnHeaderPosition, dataRowPosition, UNKNOWN_INDEX, 0);
    }

    public FileProperties(String file, int columnHeaderPosition, int dataRowPosition, int rowHeaderPosition,
        int dataColumnPosition) {
        this(new File(file), FileType.TXT, columnHeaderPosition, dataRowPosition, rowHeaderPosition,
            dataColumnPosition);
    }

    public FileProperties(String file, FileType fileType, int columnHeaderPosition, int dataRowPosition,
        int rowHeaderPosition, int dataColumnPosition) {
        this(new File(file), fileType, columnHeaderPosition, dataRowPosition, rowHeaderPosition,
            dataColumnPosition);
    }

    public FileProperties(File file, int columnHeaderPosition, int dataRowPosition, int rowHeaderPosition,
        int dataColumnPosition) {
        this(file, FileType.TXT, columnHeaderPosition, dataRowPosition, rowHeaderPosition,
            dataColumnPosition);
    }

    public FileProperties(File file, FileType fileType, int columnHeaderPosition, int dataRowPosition,
        int rowHeaderPosition, int dataColumnPosition) {
        propertyChangeSupport = new PropertyChangeSupport(this);
        this.file = file;
        this.fileType = fileType;

        setColumnHeaderPosition(columnHeaderPosition);
        setDataRowPosition(dataRowPosition);
        setRowHeaderPosition(rowHeaderPosition);
        setDataColumnPosition(dataColumnPosition);
    }

    public final File getFile() {
        return file;
    }

    public final void setFile(File file) {
        if (this.file != file) {
            File oldValue = this.file;
            this.file = file;

            propertyChangeSupport.firePropertyChange(FILE_PROPERTY, oldValue, this.file = file);
        }
    }

    public final FileType getFileType() {
        return fileType;
    }

    public final void setFileType(FileType fileType) {
        if (this.fileType != fileType) {
            validateFileType(fileType);
            FileType oldValue = this.fileType;
            this.fileType = fileType;

            propertyChangeSupport.firePropertyChange(FILE_TYPE_PROPERTY, oldValue, this.fileType);
        }
    }

    public final boolean hasRowHeader() {
        return rowHeaderPosition >= 0;
    }

    public final int getRowHeaderPosition() {
        return rowHeaderPosition;
    }

    public final void setRowHeaderPosition(int rowHeaderPosition) {
        if (this.rowHeaderPosition != rowHeaderPosition) {
            int oldValue = this.rowHeaderPosition;
            this.rowHeaderPosition = rowHeaderPosition;

            propertyChangeSupport.firePropertyChange(ROW_HEADER_POSITION_PROPERTY, oldValue,
                this.rowHeaderPosition);
        }
    }

    public final boolean hasColumnHeader() {
        return columnHeaderPosition >= 0;
    }

    public final int getColumnHeaderPosition() {
        return columnHeaderPosition;
    }

    public final void setColumnHeaderPosition(int columnHeaderPosition) {
        if (this.columnHeaderPosition != columnHeaderPosition) {
            int oldValue = this.columnHeaderPosition;
            this.columnHeaderPosition = columnHeaderPosition;

            propertyChangeSupport.firePropertyChange(COLUMN_HEADER_POSITION_PROPERTY, oldValue,
                this.columnHeaderPosition);
        }
    }

    public final int getDataRowPosition() {
        return dataRowPosition;
    }

    public final void setDataRowPosition(int dataPosition) {
        if (this.dataRowPosition != dataPosition) {
            int oldValue = this.dataRowPosition;
            this.dataRowPosition = dataPosition;

            propertyChangeSupport.firePropertyChange(DATA_ROW_POSITION_PROPERTY, oldValue,
                this.dataRowPosition);
        }
    }

    public final int getDataColumnPosition() {
        return dataColumnPosition;
    }

    public final void setDataColumnPosition(int dataColumnPosition) {
        if (this.dataColumnPosition != dataColumnPosition) {
            int oldValue = this.dataColumnPosition;
            this.dataColumnPosition = dataColumnPosition;

            propertyChangeSupport.firePropertyChange(DATA_COLUMN_POSITION_PROPERTY, oldValue,
                this.dataColumnPosition);
        }
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((file == null) ? 0 : file.hashCode());
        result = prime * result + ((fileType == null) ? 0 : fileType.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        FileProperties other = (FileProperties) obj;
        if (file == null) {
            if (other.file != null)
                return false;
        } else if (!file.equals(other.file))
            return false;
        if (fileType != other.fileType)
            return false;
        return true;
    }

    protected void validateFileType(FileType fileType) throws IllegalArgumentException {

    }

    protected final PropertyChangeSupport getPropertyChangeSupport() {
        return propertyChangeSupport;
    }

}