74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
# *****************************************************************************
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# See NOTICE file for details.
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#
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# *****************************************************************************
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import typing
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import _jpype
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from . import _jcustomizer
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__all__ = ['JString']
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class JString(_jpype._JObject, internal=True): # type: ignore[call-arg]
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""" Base class for ``java.lang.String`` objects
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When called as a function, this class will produce a ``java.lang.String``
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object. It can be used to test if an object is a Java string
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using ``isinstance(obj, JString)``.
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"""
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def __new__(cls, *args, **kwargs):
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if cls != JString:
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raise TypeError("JString factory cannot be used as base class")
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cls = _jpype.JClass("java.lang.String")
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return cls(*args)
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@_jcustomizer.JImplementationFor("java.lang.String")
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class _JStringProto:
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def __add__(self, other: str) -> str:
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return self.concat(other) # type: ignore[attr-defined]
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def __len__(self) -> int:
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return self.length() # type: ignore[attr-defined]
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def __getitem__(self, i: typing.Union[slice, int]):
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if isinstance(i, slice):
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return str(self)[i]
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if i < 0:
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i += len(self)
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if i < 0:
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raise IndexError("Array index is negative")
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if i >= len(self):
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raise IndexError("Array index exceeds length")
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return self.charAt(i) # type: ignore[attr-defined]
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def __contains__(self, other: str) -> bool:
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return self.contains(other) # type: ignore[attr-defined]
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def __hash__(self):
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if self == None: # lgtm [py/test-equals-none]
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return hash(None)
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return self.__str__().__hash__()
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def __repr__(self):
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return "'%s'" % self.__str__()
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_jpype.JString = JString
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