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//$Id: Column.java,v 1.4 2005/10/17 09:09:59 framiere Exp $
package net.sourceforge.sql2java;
import java.util.List;
import java.util.Vector;
import java.sql.Types;
public class Column implements Cloneable {
// List of possible mapped types.
public static final int M_ARRAY = 0;
public static final int M_BIGDECIMAL = 1;
public static final int M_BOOLEAN = 2;
public static final int M_BYTES = 3;
public static final int M_CLOB = 4;
public static final int M_SQLDATE =5 ;
public static final int M_UTILDATE =6 ;
public static final int M_DOUBLE = 7;
public static final int M_FLOAT = 8;
public static final int M_BLOB = 9;
public static final int M_INTEGER = 10;
public static final int M_LONG = 11;
public static final int M_REF = 12;
public static final int M_STRING =13 ;
public static final int M_TIME = 14;
public static final int M_TIMESTAMP = 15;
public static final int M_URL = 16;
public static final int M_OBJECT = 17;
private String catalog, schema, tableName, name, remarks, defaultValue;
private int size, decDigits, radix, nullable, ordinal;
private short type;
private boolean isPrimaryKey;
private String strCheckingType = "";
private Database db;
private List foreignKeys = new Vector();
private List importedKeys = new Vector();
/**
*/
public String toString()
{
return "\n --------- " + tableName + "." + name + " --------- "
+ "\n schema = " + schema
+ "\n tableName = " + tableName
+ "\n catalog = " + catalog
+ "\n remarks = " + remarks
+ "\n defaultValue = " + defaultValue
+ "\n decDigits = " + decDigits
+ "\n radix = " + radix
+ "\n nullable = " + nullable
+ "\n ordinal = " + ordinal
+ "\n size = " + size
+ "\n type = " + type + " "
+ "\n isPrimaryKey = " + (isPrimaryKey ? "true":"false");
}
public void setCheckingType(String strValue){this.strCheckingType = strValue;}
public String getCheckingType(){return strCheckingType; }
public void setDatabase(Database db) { this.db = db; }
public void setCatalog(String catalog) { this.catalog = catalog; }
public void setSchema(String schema) { this.schema = schema; }
public void setTableName(String tableName) { this.tableName = tableName; }
public void setName(String name) { this.name = name; }
public void setType(short type) { this.type = type; }
public void setSize(int size) { this.size = size; }
public void setDecimalDigits(int decDigits) { this.decDigits = decDigits; }
public void setRadix(int radix) { this.radix = radix; }
public void setNullable(int nullable) { this.nullable = nullable; }
public void setRemarks(String remarks) {
if (remarks!=null) {
this.remarks = remarks.replaceAll("/\\*", "SLASH*").replaceAll("\\*/", "*SLASH");
}
}
public void setDefaultValue(String defaultValue) { this.defaultValue = defaultValue; }
public void setOrdinalPosition(int ordinal) { this.ordinal = ordinal; }
public void isPrimaryKey(boolean isPrimaryKey) { this.isPrimaryKey = isPrimaryKey; }
public String getCatalog() { return catalog; }
public String getSchema() { return schema; }
public String getTableName() { return tableName; }
public String getName() { return name; }
public short getType() { return type; }
public int getSize() { return size; }
public int getDecimalDigits() { return decDigits; }
public int getRadix() { return radix; }
public int getNullable() { return nullable; }
public String getNullableAsString() { return (getNullable() != 0 ? "nullable" : "null not allowed"); }
public String getRemarks() { return remarks==null?"":remarks; }
public String getDefaultValue() { return defaultValue==null?"":defaultValue; }
public int getOrdinalPosition() { return ordinal; }
public boolean isPrimaryKey() { return isPrimaryKey; }
public String getFullName() { return tableName + "." + getName(); }
public String getConstName() { return getName().toUpperCase(); }
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
private void tuoe() {
throw new UnsupportedOperationException("not supported yet: "+ getTableName() + "." + getName() + " " + getJavaTypeAsTypeName());
}
private void tiae() {
throw new IllegalArgumentException("No primary type associated: " + getTableName() + "." + getName() );
}
/**
* return internal type for the current column
*/
public int getMappedType() {
switch(getType()) {
case Types.ARRAY: return M_ARRAY;
case Types.BIGINT : return M_LONG;
case Types.BINARY : return M_BYTES;
case Types.BIT : return M_BOOLEAN;
case Types.BLOB : return M_BLOB;
case Types.BOOLEAN : return M_BOOLEAN;
case Types.CHAR : return M_STRING;
case Types.CLOB : return M_CLOB;
case Types.DATALINK : return M_URL;
case Types.DATE :
if (CodeWriter.dateClassName.equals("java.util.Date")) return M_UTILDATE;
if (CodeWriter.dateClassName.equals("java.sql.Date")) return M_SQLDATE;
tuoe();
case Types.DECIMAL : return getDecimalDigits() > 0 ? M_BIGDECIMAL : M_LONG;
case Types.DISTINCT : return M_OBJECT;
case Types.DOUBLE : return M_DOUBLE;
case Types.FLOAT : return M_DOUBLE;
case Types.INTEGER :return M_INTEGER;
case Types.JAVA_OBJECT : return M_OBJECT;
case Types.LONGVARBINARY :return M_BYTES;
case Types.LONGVARCHAR : return M_STRING;
// case Types.NULL : return M_NULL;
case Types.NUMERIC : return getDecimalDigits() > 0 ? M_BIGDECIMAL : M_LONG;
case Types.OTHER : return M_OBJECT;
case Types.REAL : return M_FLOAT;
case Types.REF : return M_REF;
case Types.SMALLINT :return M_INTEGER;
case Types.STRUCT : return M_OBJECT;
case Types.TIME :
if (CodeWriter.timeClassName.equals("java.util.Date")) return M_UTILDATE;
if (CodeWriter.timeClassName.equals("java.sql.Time")) return M_TIME;
tuoe();
case Types.TIMESTAMP :
if (CodeWriter.timestampClassName.equals("java.util.Date")) return M_UTILDATE;
if (CodeWriter.timestampClassName.equals("java.sql.Timestamp")) return M_TIMESTAMP;
tuoe();
case Types.TINYINT :return M_INTEGER;
case Types.VARBINARY :return M_BYTES;
case Types.VARCHAR :return M_STRING;
default:tuoe();
}
return -1;
}
// Convernient helpers:
/**
* return the java type of the current column
*/
public String getJavaType()
{
switch (getMappedType())
{
case M_ARRAY: return "Array";
case M_BIGDECIMAL: return "java.math.BigDecimal";
case M_BOOLEAN: return "Boolean";
case M_BYTES: return "byte[]";
case M_CLOB: return "Clob";
case M_SQLDATE: return "java.sql.Date";
case M_UTILDATE: return "java.util.Date";
case M_DOUBLE: return "Double";
case M_FLOAT: return "Float";
case M_INTEGER: return "Integer";
case M_LONG: return "Long";
case M_REF: return "Ref";
case M_STRING: return "String";
case M_TIME: return "java.sql.Time";
case M_TIMESTAMP: return "java.sql.Timestamp";
case M_URL: return "java.net.URL";
case M_OBJECT: return "Object";
}
return null;
}
/**
* does this column has a primary java type like short, boolean instead of Integer and Boolean ?
*/
public boolean hasPrimaryType()
{
if (getJavaPrimaryType() == null)
return false;
return true;
}
/**
* return the primary java type of the current column
* return null if no java primary type is available
*/
public String getJavaPrimaryType() throws IllegalArgumentException
{
int decimalDigits = getDecimalDigits();
int type = getType();
int size = getSize();
if ((type == Types.DECIMAL || type == Types.NUMERIC) && decimalDigits == 0) {
if (size == 1) {
return "boolean";
}
else if (size < 3) {
return "byte";
}
else if (size < 5) {
return "short";
}
else if (size < 10) {
return "int";
}
else if (size < 19) {
return "long";
}
else {
return "java.math.BigDecimal";
}
}
switch (getMappedType())
{
case M_BOOLEAN: return "boolean";
case M_SQLDATE: return "long";
case M_UTILDATE: return "long";
case M_DOUBLE: return "double";
case M_FLOAT: return "float";
case M_INTEGER: return "int";
case M_LONG: return "long";
case M_TIME: return "long";
case M_TIMESTAMP: return "long";
default:break;
}
return null;
}
/**
* return the string representation of the column type
*/
public String getJavaTypeAsTypeName()
{
switch (getType())
{
case Types.ARRAY: return "Types.ARRAY";
case Types.BIGINT : return "Types.BIGINT";
case Types.BINARY : return "Types.BINARY";
case Types.BIT : return "Types.BIT";
case Types.BLOB : return "Types.BLOB";
case Types.BOOLEAN : return "Types.BOOLEAN";
case Types.CHAR : return "Types.CHAR";
case Types.CLOB : return "Types.CLOB";
case Types.DATALINK : return "Types.DATALINK";
case Types.DATE : return "Types.DATE";
case Types.DECIMAL : return "Types.DECIMAL";
case Types.DISTINCT : return "Types.DISTINCT";
case Types.DOUBLE : return "Types.DOUBLE";
case Types.FLOAT : return "Types.FLOAT";
case Types.INTEGER : return "Types.INTEGER";
case Types.JAVA_OBJECT : return "Types.JAVA_OBJECT";
case Types.LONGVARBINARY : return "Types.LONGVARBINARY";
case Types.LONGVARCHAR : return "Types.LONGVARCHAR";
case Types.NULL : return "Types.NULL";
case Types.NUMERIC : return "Types.NUMERIC";
case Types.OTHER : return "Types.OTHER";
case Types.REAL : return "Types.REAL";
case Types.REF : return "Types.REF";
case Types.SMALLINT : return "Types.SMALLINT";
case Types.STRUCT : return "Types.STRUCT";
case Types.TIME : return "Types.TIME";
case Types.TIMESTAMP : return "Types.TIMESTAMP";
case Types.TINYINT : return "Types.TINYINT";
case Types.VARBINARY : return "Types.VARBINARY";
case Types.VARCHAR : return "Types.VARCHAR";
default:tuoe();
}
return null;
}
/**
* is this column numeric ?
*/
public boolean isColumnNumeric()
{
switch (getMappedType())
{
case M_DOUBLE: // fall through
case M_FLOAT: // fall through
case M_INTEGER: // fall through
case M_LONG: return true;
default: return false;
}
}
/**
* is this column a string ?
*/
public boolean isString()
{
if (getMappedType() == M_STRING)
return true;
return false;
}
/**
* does this type has a compareTo method ?
*/
public boolean hasCompareTo() throws Exception
{
switch(getMappedType())
{
case M_ARRAY: return false;
case M_BIGDECIMAL: return true;
case M_BOOLEAN: return false; // USE EQUALS INSTEAD
case M_BYTES: return false;
case M_CLOB: return false;
case M_SQLDATE: return true;
case M_UTILDATE: return true;
case M_DOUBLE: return true;
case M_FLOAT: return true;
case M_INTEGER: return true;
case M_LONG: return true;
case M_REF: return false;
case M_STRING: return true;
case M_TIME: return true;
case M_TIMESTAMP: return true;
case M_URL: return false;
case M_OBJECT: return false;
default: return false;
}
}
/**
* does this type can use equal instead of the compareTo method ?
*/
public boolean useEqualsInSetter() throws Exception
{
switch(getMappedType())
{
case M_BOOLEAN: return true;
default: return false;
}
}
/**
* return the resultSet get method for a given position
* the assumption is that the resultset variable is called rs
*/
public String getResultSetMethodObject(String pos)
{
return getResultSetMethodObject("rs", pos);
}
public String getResultSetMethodObject(String resultSet, String pos)
{
switch (getMappedType())
{
case M_ARRAY: return resultSet + ".getArray(" + pos + ")";
case M_LONG : return "getLong(" + resultSet + ", "+pos+")";
case M_BYTES : return resultSet + ".getBytes(" + pos + ")";
case M_BLOB : return resultSet + ".getBlob("+pos+")";
case M_BOOLEAN : return "getBoolean(" + resultSet + ", "+pos+")";
case M_STRING : return resultSet + ".getString(" + pos + ")";
case M_CLOB : return resultSet + ".getClob("+pos+")";
case M_URL : return resultSet + ".getURL("+pos+")";
case M_BIGDECIMAL : return resultSet + ".getBigDecimal(" + pos + ")";
case M_DOUBLE : return "getDouble(" + resultSet + ", "+pos+")";
case M_FLOAT : return "getFloat(" + resultSet + ", "+pos+")";
case M_INTEGER : return "getInteger(" + resultSet + ", "+pos+")";
case M_OBJECT : return resultSet + ".getObject("+pos+")";
case M_REF : return resultSet + ".getRef("+pos+")";
case M_SQLDATE : return resultSet + ".getDate(" + pos + ")";
case M_TIME :return resultSet + ".getTime(" + pos + ")";
case M_TIMESTAMP :return resultSet + ".getTimestamp(" + pos + ")";
case M_UTILDATE :
switch(getType()) {
case Types.TIME: return resultSet + ".getTime(" + pos + ")";
case Types.TIMESTAMP: return resultSet + ".getTimestamp(" + pos + ")";
case Types.DATE: return resultSet + ".getDate(" + pos + ")";
}
default:tuoe();
}
return null;
}
/**
* Maps the SQL type for the column to a "set" method to call on
* the PreparedStatement.
* <br>
* This is used when generating Manager classes. There are some
* variations in how different databases may deal with this, so you
* might look at the OracleManagerWriter to see how you might have
* to override this method for your particular database.
*
* @param var Java code that represents how we'll get access to the
* value to set. You should be able to use this value
* verbatim. Check out the source to this method to
* see what we mean.
* @param pos The position to pass as the first argument of the set
* method. You will be able to use this verbatim too.
* @return The string to write into the generated Manager .java file.
*/
public String getPreparedStatementMethod(String var,int pos)
{
return getPreparedStatementMethod(var, Integer.toString(pos));
}
public String getPreparedStatementMethod(String var, String pos)
{
switch(getMappedType())
{
case M_ARRAY: return "ps.setArray(" + pos + ", " + var + ");";
case M_LONG: return "setLong(ps, "+pos+", "+var+");";
case M_BYTES: return "ps.setBytes(" + pos + ", " + var + ");";
case M_BLOB : return "ps.setBlob(" + pos + ", " + var + ");";
case M_BOOLEAN : return "setBoolean(ps, "+pos+", "+var+");";
case M_STRING:return "ps.setString(" + pos + ", " + var + ");";
case M_CLOB : return "ps.setClob(" + pos + ", " + var + ");";
case M_URL : return "ps.setURL(" + pos + ", " + var + ");";
case M_BIGDECIMAL: return "ps.setBigDecimal(" + pos + ", " + var + ");";
case M_DOUBLE: return "setDouble(ps, "+pos+", "+var+");";
case M_INTEGER: return "setInteger(ps, "+pos+", "+var+");";
case M_OBJECT : return "ps.setObject(" + pos + ", " + var + ");";
case M_FLOAT: return "setFloat(ps, "+pos+", "+var+");";
case M_SQLDATE: return "ps.setDate(" + pos + ", " + var + ");";
case M_TIME: return "ps.setTime(" + pos + ", " + var + ");";
case M_TIMESTAMP: return "ps.setTimestamp(" + pos + ", " + var + ");";
case M_UTILDATE:
switch(getType()) {
case Types.TIMESTAMP: return "if (" + var + " == null) ps.setNull("+pos+", "+getJavaTypeAsTypeName()+"); else ps.setTimestamp(" + pos + ", new java.sql.Timestamp(" + var + ".getTime()));";
case Types.DATE: return "if (" + var + " == null) ps.setNull("+pos+", "+getJavaTypeAsTypeName()+"); else ps.setDate(" + pos + ", new java.sql.Date(" + var + ".getTime()));";
case Types.TIME: return "if (" + var + " == null) ps.setNull("+pos+", "+getJavaTypeAsTypeName()+"); else ps.setTime(" + pos + ", new java.sql.Time(" + var + ".getTime()));";
default: return null;
}
case M_REF: return "ps.setRef(" + pos + ", " + var + ");";
default: return "ps.setObject(" + pos + ", " + var + ");";
}
}
/**
* method to convert the given string into the internal java representation
*/
public String getStringConvertionMethod()
{
switch (getMappedType())
{
case M_BIGDECIMAL: return "new java.math.BigDecimal";
case M_BOOLEAN: return "new Boolean";
case M_SQLDATE: return "new java.sql.Date";
case M_DOUBLE: return "new Double";
case M_FLOAT: return "new Float";
case M_INTEGER: return "new Integer";
case M_LONG: return "new Long";
case M_STRING: return "";
case M_TIME:
case M_TIMESTAMP:
case M_UTILDATE:
if (CodeWriter.dateClassName.equals("java.util.GregorianCalendar"))
return "GregorianDate";
else
return "getDateFromString";
case M_URL:
case M_OBJECT:
case M_REF:
case M_ARRAY:
case M_BYTES:
case M_CLOB:
default:
System.err.println("type unknown for " + getFullName());
return "";
}
}
/*
* get the default widget name for the current column
*/
public String getDefaultWidget()
{
if (isForeignKey())
return "SelectWidget";
if (isString() && (getSize() > 200 || getSize() == -1))
return "TextAreaWidget";
switch (getMappedType())
{
case M_BOOLEAN: return "BooleanWidget";
case M_TIME:
case M_TIMESTAMP:
case M_UTILDATE:
case M_SQLDATE: return "DateWidget";
case M_BIGDECIMAL:
case M_DOUBLE:
case M_FLOAT:
case M_INTEGER:
case M_LONG:
case M_URL:
case M_OBJECT:
case M_REF:
case M_ARRAY:
case M_BYTES:
case M_CLOB:
case M_STRING: return "InputWidget";
default:
System.err.println("type unknown for " + getFullName());
return "";
}
}
/*
* is there an optimistic locking column ?
*/
static boolean isPresentLock(Column[] cols, String optimisticLockType, String optimisticLockColumn) {
boolean retVal = false;
if (optimisticLockType.equalsIgnoreCase("timestamp")) {
for(int i = 0; i < cols.length; i++)
{
if ( cols[i].getName().equalsIgnoreCase(optimisticLockColumn) &&
(cols[i].getMappedType()==Column.M_LONG || cols[i].getMappedType()==Column.M_STRING) ) {
//
retVal = true;
break;
}
}
}
return retVal;
}
public Table getTable()
{
return db.getTable(getTableName());
}
public void addForeignKey(Column col)
{
foreignKeys.add(col);
getTable().addForeignKey(this);
}
public List getForeignKeys()
{
return foreignKeys;
}
public void addImportedKey(Column col)
{
importedKeys.add(col);
getTable().addImportedKey(col);
}
public List getImportedKeys()
{
return importedKeys;
}
public int countImportedKeys()
{
return importedKeys.size();
}
public boolean isImportedKey()
{
if (countImportedKeys() > 0)
return true;
return false;
}
public Column getForeignColumn()
{
return (Column)foreignKeys.get(0);
}
public int countForeignKeys()
{
return foreignKeys.size();
}
public boolean isForeignKey()
{
if (countForeignKeys() > 0)
return true;
return false;
}
public String getPropertyTag()
{
return (getTableName() + "." + getName()).toLowerCase();
}
public String getVarName()
{
return StringUtilities.convertName(getName(), true);
}
public String getDefaultRules()
{
String rule = "";
if (getNullable() == 0 && isPrimaryKey() == false)
rule = rule + " nullnotallowed";
else
rule = rule + " nullallowed";
if (getType() == Types.DATE || getType() == Types.TIMESTAMP)
rule = rule + " dateformat";
return rule;
}
/**
* is this column described to be in the given type ?
* check in sql2java.properties the table.[TABLENAME].in.[TYPE].exclude & table.[TABLENAME].in.[TYPE].include
*/
public boolean columnFor(String type)
{
String property = "table." + getTableName().toLowerCase() + ".in." + type.toLowerCase();
String[] exclude = CodeWriter.getPropertyExploded(property + ".exclude");
String[] include = CodeWriter.getPropertyExploded(property + ".include");
if (exclude.length == 0 && include.length == 0)
return true;
if (Main.isInArray(include, getName()))
return true;
if (Main.isInArray(exclude, getName()))
return false;
if (include.length == 0)
return true;
return false;
}
}