org.etlunit.io.file.SchemaColumn Maven / Gradle / Ivy

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package org.etlunit.io.file;

import org.codehaus.jackson.JsonNode;

class SchemaColumn implements DataFileSchema.Column
{
	private final String id;
	private String type;
	private basic_type basicType = basic_type.string;

	private int length;

	private final DataFileManager dataFileManager;

	private int offset = -1;

	public SchemaColumn(String id, int length, DataFileManager dataFileManager)
	{
		this(id, null, length, null, dataFileManager);
	}

	public SchemaColumn(String id, String type, DataFileManager dataFileManager)
	{
		this(id, type, -1, null, dataFileManager);
	}

	public SchemaColumn(String id, String type, int length, FlatFileType validator, DataFileManager dataFileManager)
	{
		this.id = id;
		this.type = type;
		this.length = length;
		this.dataFileManager = dataFileManager;
	}

	public SchemaColumn(JsonNode node, DataFileManager dataFileManager)
	{
		this.dataFileManager = dataFileManager;
		id = node.get("id").asText();

		if (node.has("type"))
		{
			JsonNode type1 = node.get("type");
			if (!type1.isNull())
			{
				type = type1.asText();
			}
			else
			{
				type = null;
			}
		}
		else
		{
			type = null;
		}

		if (node.has("length"))
		{
			JsonNode length1 = node.get("length");
			if (!length1.isNull())
			{
				length = length1.asInt();
			}
			else
			{
				length = -1;
			}
		}
		else
		{
			length = -1;
		}

		if (node.has("basic-type"))
		{
			JsonNode length1 = node.get("basic-type");
			if (!length1.isNull())
			{
				String bt = length1.asText();

				if (bt.equals(basic_type.integer.name()))
				{
					basicType = basic_type.integer;
				}
				else if (bt.equals(basic_type.string.name()))
				{
					basicType = basic_type.string;
				}
				else if (bt.equals(basic_type.numeric.name()))
				{
					basicType = basic_type.numeric;
				}
			}
			else
			{
				basicType = basic_type.string;
			}
		}
		else
		{
			basicType = basic_type.string;
		}
	}

	public boolean validateText(String text)
	{
		if (!hasType())
		{
			return true;
		}

		DataFormatValidator validator = dataFileManager.resolveValidatorById(type);

		if (validator == null)
		{
			throw new IllegalArgumentException("Type " + type + " not resolved to a registered expression");
		}

		return validator.getPattern().matcher(text).matches();
	}

	public void setOffset(int offset)
	{
		this.offset = offset;
	}

	public String getId()
	{
		return id;
	}

	public boolean hasType()
	{
		return type != null;
	}

	public String getType()
	{
		return type;
	}

	@Override
	public void setType(String type)
	{
		this.type = type;
	}

	@Override
	public void setLength(int length)
	{
		if (this.length != -1)
		{
			throw new IllegalArgumentException("Cannot change the length of a column");
		}

		this.length = length;
	}

	public int getOffset()
	{
		return offset;
	}

	public int getLength()
	{
		return length;
	}

	public basic_type getBasicType()
	{
		return basicType;
	}

	public void setBasicType(basic_type basicType)
	{
		if (basicType == null)
		{
			throw new IllegalArgumentException("Basic type cannot be null");
		}

		this.basicType = basicType;
	}
}