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- /*
- Copyright (c) 2011 James Ahlborn
-
- 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.healthmarketscience.jackcess.impl;
-
- import java.io.IOException;
- import java.time.LocalDateTime;
- import java.util.Date;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.LinkedHashMap;
- import java.util.Map;
-
- import com.healthmarketscience.jackcess.DataType;
- import com.healthmarketscience.jackcess.PropertyMap;
-
- /**
- * Map of properties for a database object.
- *
- * @author James Ahlborn
- */
- public class PropertyMapImpl implements PropertyMap
- {
- private static final Map<String,PropDef> DEFAULT_TYPES =
- new HashMap<String,PropDef>();
-
- static {
- DEFAULT_TYPES.put(ACCESS_VERSION_PROP, new PropDef(DataType.TEXT, false));
- DEFAULT_TYPES.put(TITLE_PROP, new PropDef(DataType.TEXT, false));
- DEFAULT_TYPES.put(AUTHOR_PROP, new PropDef(DataType.TEXT, false));
- DEFAULT_TYPES.put(COMPANY_PROP, new PropDef(DataType.TEXT, false));
-
- DEFAULT_TYPES.put(DEFAULT_VALUE_PROP, new PropDef(DataType.MEMO, true));
- DEFAULT_TYPES.put(REQUIRED_PROP, new PropDef(DataType.BOOLEAN, true));
- DEFAULT_TYPES.put(ALLOW_ZERO_LEN_PROP, new PropDef(DataType.BOOLEAN, true));
- DEFAULT_TYPES.put(DECIMAL_PLACES_PROP, new PropDef(DataType.BYTE, true));
- DEFAULT_TYPES.put(FORMAT_PROP, new PropDef(DataType.TEXT, true));
- DEFAULT_TYPES.put(INPUT_MASK_PROP, new PropDef(DataType.TEXT, true));
- DEFAULT_TYPES.put(CAPTION_PROP, new PropDef(DataType.MEMO, false));
- DEFAULT_TYPES.put(VALIDATION_RULE_PROP, new PropDef(DataType.TEXT, true));
- DEFAULT_TYPES.put(VALIDATION_TEXT_PROP, new PropDef(DataType.TEXT, true));
- DEFAULT_TYPES.put(GUID_PROP, new PropDef(DataType.BINARY, true));
- DEFAULT_TYPES.put(DESCRIPTION_PROP, new PropDef(DataType.MEMO, false));
- DEFAULT_TYPES.put(RESULT_TYPE_PROP, new PropDef(DataType.BYTE, true));
- DEFAULT_TYPES.put(EXPRESSION_PROP, new PropDef(DataType.MEMO, true));
- DEFAULT_TYPES.put(DISPLAY_CONTROL_PROP, new PropDef(DataType.INT, false));
- DEFAULT_TYPES.put(TEXT_FORMAT_PROP, new PropDef(DataType.BYTE, false));
- DEFAULT_TYPES.put(IME_MODE_PROP, new PropDef(DataType.BYTE, false));
- DEFAULT_TYPES.put(IME_SENTENCE_MODE_PROP, new PropDef(DataType.BYTE, false));
- }
-
- private final String _mapName;
- private final short _mapType;
- private final Map<String,Property> _props =
- new LinkedHashMap<String,Property>();
- private final PropertyMaps _owner;
-
- public PropertyMapImpl(String name, short type, PropertyMaps owner) {
- _mapName = name;
- _mapType = type;
- _owner = owner;
- }
-
- @Override
- public String getName() {
- return _mapName;
- }
-
- public short getType() {
- return _mapType;
- }
-
- public PropertyMaps getOwner() {
- return _owner;
- }
-
- @Override
- public int getSize() {
- return _props.size();
- }
-
- @Override
- public boolean isEmpty() {
- return _props.isEmpty();
- }
-
- @Override
- public Property get(String name) {
- return _props.get(DatabaseImpl.toLookupName(name));
- }
-
- @Override
- public Object getValue(String name) {
- return getValue(name, null);
- }
-
- @Override
- public Object getValue(String name, Object defaultValue) {
- Property prop = get(name);
- Object value = defaultValue;
- if((prop != null) && (prop.getValue() != null)) {
- value = prop.getValue();
- }
- return value;
- }
-
- @Override
- public PropertyImpl put(String name, Object value) {
- return put(name, null, value, false);
- }
-
- @Override
- public PropertyImpl put(String name, DataType type, Object value) {
- return put(name, type, value, false);
- }
-
- @Override
- public void putAll(Iterable<? extends Property> props) {
- if(props == null) {
- return;
- }
-
- for(Property prop : props) {
- put(prop);
- }
- }
-
- public PropertyImpl put(Property prop) {
- return put(prop.getName(), prop.getType(), prop.getValue(), prop.isDdl());
- }
-
- /**
- * Puts a property into this map with the given information.
- */
- @Override
- public PropertyImpl put(String name, DataType type, Object value,
- boolean isDdl) {
- PropertyImpl prop = (PropertyImpl)createProperty(name, type, value, isDdl);
- _props.put(DatabaseImpl.toLookupName(name), prop);
- return prop;
- }
-
- @Override
- public PropertyImpl remove(String name) {
- return (PropertyImpl)_props.remove(DatabaseImpl.toLookupName(name));
- }
-
- @Override
- public Iterator<Property> iterator() {
- return _props.values().iterator();
- }
-
- @Override
- public void save() throws IOException {
- getOwner().save();
- }
-
- @Override
- public String toString() {
- return toString(this);
- }
-
- public static String toString(PropertyMap map) {
- StringBuilder sb = new StringBuilder();
- sb.append(PropertyMaps.DEFAULT_NAME.equals(map.getName()) ?
- "<DEFAULT>" : map.getName())
- .append(" {");
- for(Iterator<Property> iter = map.iterator(); iter.hasNext(); ) {
- sb.append(iter.next());
- if(iter.hasNext()) {
- sb.append(",");
- }
- }
- sb.append("}");
- return sb.toString();
- }
-
- public static Property createProperty(String name, DataType type, Object value) {
- return createProperty(name, type, value, false);
- }
-
- public static Property createProperty(String name, DataType type,
- Object value, boolean isDdl) {
- // see if this is a builtin property that we already understand
- PropDef pd = DEFAULT_TYPES.get(name);
-
- if(value instanceof PropertyMap.EnumValue) {
- // convert custom enum to stored value
- value = ((PropertyMap.EnumValue)value).getValue();
- }
-
- if(pd != null) {
- // update according to the default info
- type = ((type == null) ? pd._type : type);
- isDdl |= pd._isDdl;
- } else if(type == null) {
- // choose the type based on the value
- if(value instanceof String) {
- type = DataType.TEXT;
- } else if(value instanceof Boolean) {
- type = DataType.BOOLEAN;
- } else if(value instanceof Byte) {
- type = DataType.BYTE;
- } else if(value instanceof Short) {
- type = DataType.INT;
- } else if(value instanceof Integer) {
- type = DataType.LONG;
- } else if(value instanceof Float) {
- type = DataType.FLOAT;
- } else if(value instanceof Double) {
- type = DataType.DOUBLE;
- } else if((value instanceof Date) || (value instanceof LocalDateTime)) {
- type = DataType.SHORT_DATE_TIME;
- } else if(value instanceof byte[]) {
- type = DataType.OLE;
- } else if(value instanceof Long) {
- type = DataType.BIG_INT;
- } else {
- throw new IllegalArgumentException(
- "Could not determine type for property " + name +
- " with value " + value);
- }
- }
-
- return new PropertyImpl(name, type, value, isDdl);
- }
-
- /**
- * Info about a property defined in a PropertyMap.
- */
- static final class PropertyImpl implements PropertyMap.Property
- {
- private final String _name;
- private final DataType _type;
- private final boolean _ddl;
- private Object _value;
-
- private PropertyImpl(String name, DataType type, Object value,
- boolean ddl) {
- _name = name;
- _type = type;
- _ddl = ddl;
- _value = value;
- }
-
- @Override
- public String getName() {
- return _name;
- }
-
- @Override
- public DataType getType() {
- return _type;
- }
-
- @Override
- public Object getValue() {
- return _value;
- }
-
- @Override
- public void setValue(Object newValue) {
- _value = newValue;
- }
-
- @Override
- public boolean isDdl() {
- return _ddl;
- }
-
- @Override
- public String toString() {
- Object val = getValue();
- if(val instanceof byte[]) {
- val = ByteUtil.toHexString((byte[])val);
- }
- return getName() + "[" + getType() + (_ddl ? ":ddl" : "") + "]=" + val;
- }
- }
-
- /**
- * Helper for holding info about default properties
- */
- private static final class PropDef
- {
- private final DataType _type;
- private final boolean _isDdl;
-
- private PropDef(DataType type, boolean isDdl) {
- _type = type;
- _isDdl = isDdl;
- }
- }
- }
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