diff options
Diffstat (limited to 'upstream/odl-aaa-moon/aaa/aaa-idp-mapping/src/main/java/org/opendaylight/aaa/idpmapping/Token.java')
| -rw-r--r-- | upstream/odl-aaa-moon/aaa/aaa-idp-mapping/src/main/java/org/opendaylight/aaa/idpmapping/Token.java | 401 |
1 files changed, 0 insertions, 401 deletions
diff --git a/upstream/odl-aaa-moon/aaa/aaa-idp-mapping/src/main/java/org/opendaylight/aaa/idpmapping/Token.java b/upstream/odl-aaa-moon/aaa/aaa-idp-mapping/src/main/java/org/opendaylight/aaa/idpmapping/Token.java deleted file mode 100644 index 402fb064..00000000 --- a/upstream/odl-aaa-moon/aaa/aaa-idp-mapping/src/main/java/org/opendaylight/aaa/idpmapping/Token.java +++ /dev/null @@ -1,401 +0,0 @@ -/* - * Copyright (c) 2014 Red Hat, Inc. All rights reserved. - * - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0 which accompanies this distribution, - * and is available at http://www.eclipse.org/legal/epl-v10.html - */ - -package org.opendaylight.aaa.idpmapping; - -import java.util.List; -import java.util.Map; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -enum TokenStorageType { - UNKNOWN, CONSTANT, VARIABLE -} - -enum TokenType { - STRING, // java String - ARRAY, // java List - MAP, // java Map - INTEGER, // java Long - BOOLEAN, // java Boolean - NULL, // java null - REAL, // java Double - UNKNOWN, // undefined -} - -/** - * Rule statements can contain variables or constants, this class encapsulates - * those values, enforces type handling and supports reading and writing of - * those values. - * - * Technically at the syntactic level these are not tokens. A token would have - * finer granularity such as identifier, operator, etc. I just couldn't think of - * a better name for how they're used here and thought token was a reasonable - * compromise as a name. - * - * @author John Dennis <jdennis@redhat.com> - */ - -class Token { - - /* - * Regexp to identify a variable beginning with $ Supports array notation, - * e.g. $foo[bar] Optional delimiting braces may be used to separate - * variable from surrounding text. - * - * Examples: $foo ${foo} $foo[bar] ${foo[bar] where foo is the variable name - * and bar is the array index. - * - * Identifer is any alphabetic followed by alphanumeric or underscore - */ - private static final String VARIABLE_PAT = "(?<!\\\\)\\$" + // non-escaped $ - // sign - "\\{?" + // optional delimiting brace - "([a-zA-Z][a-zA-Z0-9_]*)" + // group 1: variable name - "(\\[" + // group 2: optional index - "([a-zA-Z0-9_]+)" + // group 3: array index - "\\])?" + // end optional index - "\\}?"; // optional delimiting brace - public static final Pattern VARIABLE_RE = Pattern.compile(VARIABLE_PAT); - /* - * Requires only a variable to be present in the string but permits leading - * and trailing whitespace. - */ - private static final String VARIABLE_ONLY_PAT = "^\\s*" + VARIABLE_PAT + "\\s*$"; - public static final Pattern VARIABLE_ONLY_RE = Pattern.compile(VARIABLE_ONLY_PAT); - - private Object value = null; - - public Map<String, Object> namespace = null; - public TokenStorageType storageType = TokenStorageType.UNKNOWN; - public TokenType type = TokenType.UNKNOWN; - public String name = null; - public String index = null; - - Token(Object input, Map<String, Object> namespace) { - this.namespace = namespace; - if (input instanceof String) { - parseVariable((String) input); - if (this.storageType == TokenStorageType.CONSTANT) { - this.value = input; - this.type = classify(input); - } - } else { - this.storageType = TokenStorageType.CONSTANT; - this.value = input; - this.type = classify(input); - } - } - - @Override - public String toString() { - if (this.storageType == TokenStorageType.CONSTANT) { - return String.format("%s", this.value); - } else if (this.storageType == TokenStorageType.VARIABLE) { - if (this.index == null) { - return String.format("$%s", this.name); - } else { - return String.format("$%s[%s]", this.name, this.index); - } - } else { - return "UNKNOWN"; - } - } - - void parseVariable(String string) { - Matcher matcher = VARIABLE_ONLY_RE.matcher(string); - if (matcher.find()) { - String name = matcher.group(1); - String index = matcher.group(3); - - this.storageType = TokenStorageType.VARIABLE; - this.name = name; - this.index = index; - } else { - this.storageType = TokenStorageType.CONSTANT; - } - } - - public static TokenType classify(Object value) { - TokenType tokenType = TokenType.UNKNOWN; - // ordered by expected occurrence - if (value instanceof String) { - tokenType = TokenType.STRING; - } else if (value instanceof List) { - tokenType = TokenType.ARRAY; - } else if (value instanceof Map) { - tokenType = TokenType.MAP; - } else if (value instanceof Long) { - tokenType = TokenType.INTEGER; - } else if (value instanceof Boolean) { - tokenType = TokenType.BOOLEAN; - } else if (value == null) { - tokenType = TokenType.NULL; - } else if (value instanceof Double) { - tokenType = TokenType.REAL; - } else { - throw new InvalidRuleException(String.format( - "Type must be String, Long, Double, Boolean, List, Map, or null, not %s", - value.getClass().getSimpleName(), value)); - } - return tokenType; - } - - Object get() { - return get(null); - } - - Object get(Object index) { - Object base = null; - - if (this.storageType == TokenStorageType.CONSTANT) { - return this.value; - } - - if (this.namespace.containsKey(this.name)) { - base = this.namespace.get(this.name); - } else { - throw new UndefinedValueException(String.format("variable '%s' not defined", this.name)); - } - - if (index == null) { - index = this.index; - } - - if (index == null) { // scalar types - value = base; - } else { - if (base instanceof List) { - @SuppressWarnings("unchecked") - List<Object> list = (List<Object>) base; - Integer idx = null; - - if (index instanceof Long) { - idx = new Integer(((Long) index).intValue()); - } else if (index instanceof String) { - try { - idx = new Integer((String) index); - } catch (NumberFormatException e) { - throw new InvalidTypeException( - String.format( - "variable '%s' is an array indexed by '%s', however the index cannot be converted to an integer", - this.name, index, e)); - } - } else { - throw new InvalidTypeException( - String.format( - "variable '%s' is an array indexed by '%s', however the index must be an integer or string not %s", - this.name, index, index.getClass().getSimpleName())); - } - - try { - value = list.get(idx); - } catch (IndexOutOfBoundsException e) { - throw new UndefinedValueException( - String.format( - "variable '%s' is an array of size %d indexed by '%s', however the index is out of bounds", - this.name, list.size(), idx, e)); - } - } else if (base instanceof Map) { - @SuppressWarnings("unchecked") - Map<String, Object> map = (Map<String, Object>) base; - String idx = null; - if (index instanceof String) { - idx = (String) index; - } else { - throw new InvalidTypeException( - String.format( - "variable '%s' is a map indexed by '%s', however the index must be a string not %s", - this.name, index, index.getClass().getSimpleName())); - } - if (!map.containsKey(idx)) { - throw new UndefinedValueException( - String.format( - "variable '%s' is a map indexed by '%s', however the index does not exist", - this.name, index)); - } - value = map.get(idx); - } else { - throw new InvalidTypeException( - String.format( - "variable '%s' is indexed by '%s', variable must be an array or map, not %s", - this.name, index, base.getClass().getSimpleName())); - - } - } - this.type = classify(value); - return value; - } - - void set(Object value) { - set(value, null); - } - - void set(Object value, Object index) { - - if (this.storageType == TokenStorageType.CONSTANT) { - throw new InvalidTypeException("cannot assign to a constant"); - } - - if (index == null) { - index = this.index; - } - - if (index == null) { // scalar types - this.namespace.put(this.name, value); - } else { - Object base = null; - - if (this.namespace.containsKey(this.name)) { - base = this.namespace.get(this.name); - } else { - throw new UndefinedValueException(String.format("variable '%s' not defined", - this.name)); - } - - if (base instanceof List) { - @SuppressWarnings("unchecked") - List<Object> list = (List<Object>) base; - Integer idx = null; - - if (index instanceof Long) { - idx = new Integer(((Long) index).intValue()); - } else if (index instanceof String) { - try { - idx = new Integer((String) index); - } catch (NumberFormatException e) { - throw new InvalidTypeException( - String.format( - "variable '%s' is an array indexed by '%s', however the index cannot be converted to an integer", - this.name, index, e)); - } - } else { - throw new InvalidTypeException( - String.format( - "variable '%s' is an array indexed by '%s', however the index must be an integer or string not %s", - this.name, index, index.getClass().getSimpleName())); - } - - try { - value = list.set(idx, value); - } catch (IndexOutOfBoundsException e) { - throw new UndefinedValueException( - String.format( - "variable '%s' is an array of size %d indexed by '%s', however the index is out of bounds", - this.name, list.size(), idx, e)); - } - } else if (base instanceof Map) { - @SuppressWarnings("unchecked") - Map<String, Object> map = (Map<String, Object>) base; - String idx = null; - if (index instanceof String) { - idx = (String) index; - } else { - throw new InvalidTypeException( - String.format( - "variable '%s' is a map indexed by '%s', however the index must be a string not %s", - this.name, index, index.getClass().getSimpleName())); - } - if (!map.containsKey(idx)) { - throw new UndefinedValueException( - String.format( - "variable '%s' is a map indexed by '%s', however the index does not exist", - this.name, index)); - } - value = map.put(idx, value); - } else { - throw new InvalidTypeException( - String.format( - "variable '%s' is indexed by '%s', variable must be an array or map, not %s", - this.name, index, base.getClass().getSimpleName())); - - } - } - } - - public Object load() { - this.value = get(); - return this.value; - } - - public Object load(Object index) { - this.value = get(index); - return this.value; - } - - public String getStringValue() { - if (this.type == TokenType.STRING) { - return (String) this.value; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.STRING, this.type)); - } - } - - public List<Object> getListValue() { - if (this.type == TokenType.ARRAY) { - @SuppressWarnings("unchecked") - List<Object> list = (List<Object>) this.value; - return list; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.ARRAY, this.type)); - } - } - - public Map<String, Object> getMapValue() { - if (this.type == TokenType.MAP) { - @SuppressWarnings("unchecked") - Map<String, Object> map = (Map<String, Object>) this.value; - return map; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.MAP, this.type)); - } - } - - public Long getLongValue() { - if (this.type == TokenType.INTEGER) { - return (Long) this.value; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.INTEGER, this.type)); - } - } - - public Boolean getBooleanValue() { - if (this.type == TokenType.BOOLEAN) { - return (Boolean) this.value; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.BOOLEAN, this.type)); - } - } - - public Double getDoubleValue() { - if (this.type == TokenType.REAL) { - return (Double) this.value; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.REAL, this.type)); - } - } - - public Object getNullValue() { - if (this.type == TokenType.NULL) { - return this.value; - } else { - throw new InvalidTypeException(String.format("expected %s value but token type is %s", - TokenType.NULL, this.type)); - } - } - - public Object getObjectValue() { - return this.value; - } -} |