diff --git a/.coveralls.yml b/.coveralls.yml
new file mode 100644
index 0000000..459ffd0
--- /dev/null
+++ b/.coveralls.yml
@@ -0,0 +1,5 @@
+service_name: travis-ci
+
+src_dir: .
+coverage_clover: build/logs/clover.xml
+json_path: build/logs/coveralls-upload.json
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..48b8bf9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+vendor/
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..67011f6
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,22 @@
+language: php
+
+matrix:
+  allow_failures:
+    - php: hhvm
+
+php:
+  - 5.3
+  - 5.4
+  - 5.5
+  - hhvm
+
+before_script:
+    - composer self-update
+    - composer install --dev
+
+script: 
+  - mkdir -p build/logs
+  - phpunit --coverage-clover build/logs/clover.xml
+
+after_success:
+  - php vendor/bin/coveralls -v
diff --git a/Composer.json b/Composer.json
new file mode 100644
index 0000000..3cebadf
--- /dev/null
+++ b/Composer.json
@@ -0,0 +1,33 @@
+{
+    "name": "jlm/serializer-expression",
+    "type": "library",
+    "description": "Allows you to exclude fields at runtime via expressions using the Symfony expression language",
+    "keywords": ["serialization", "serialize", "jms serializer", "exclusion"],
+    "homepage": "http://github.com/jmcclell/JLMSerializerExpression",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Jason McClellan",
+            "email": "jason@jasonmcclellan.io"
+        }
+    ],
+    "require": {
+        "php": ">=5.3.2",
+        "jms/serializer": "~0.11",                
+        "symfony/expression-language": "~2.4"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "4.1.*",
+        "satooshi/php-coveralls": "dev-master"
+    },
+    "autoload": {
+        "psr-0": { "JLM\\SerializerExpression": "src" }
+    },
+    "minimum-stability": "dev",
+    "target-dir": "JLM/SerializerExpression",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "0.1-dev"
+        }
+    }
+}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2c407eb
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+#JLMSerializerExpression
+
+This library adds expression language support to [JMSSerializerBundle](https://github.com/schmittjoh/JMSSerializerBundle) so that individual fields can be hidden based on expressions at runtime.
\ No newline at end of file
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..74a7576
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,1154 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
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+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
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+                    "email": "jonwage@gmail.com",
+                    "homepage": "http://www.jwage.com/",
+                    "role": "Creator"
+                },
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com",
+                    "homepage": "http://www.instaclick.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
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+                    "email": "schmittjoh@gmail.com",
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+            "version": "dev-master",
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+            ],
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+                    "email": "fabien@symfony.com",
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+                },
+                {
+                    "name": "Symfony Community",
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+            "keywords": [
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+            "time": "2014-01-30 17:20:04"
+        },
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+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "PHP/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "include-path": [
+                ""
+            ],
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Utility class for timing",
+            "homepage": "https://github.com/sebastianbergmann/php-timer/",
+            "keywords": [
+                "timer"
+            ],
+            "time": "2013-08-02 07:42:54"
+        },
+        {
+            "name": "phpunit/php-token-stream",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/php-token-stream.git",
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+            },
+            "dist": {
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+                "shasum": ""
+            },
+            "require": {
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+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.2-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "PHP/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "include-path": [
+                ""
+            ],
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Wrapper around PHP's tokenizer extension.",
+            "homepage": "https://github.com/sebastianbergmann/php-token-stream/",
+            "keywords": [
+                "tokenizer"
+            ],
+            "time": "2014-05-12 05:34:42"
+        },
+        {
+            "name": "phpunit/phpunit",
+            "version": "4.1.x-dev",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/phpunit.git",
+                "reference": "069d57f964bb6a0f2cd360cfcf231d767e2996bb"
+            },
+            "dist": {
+                "type": "zip",
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+                "reference": "069d57f964bb6a0f2cd360cfcf231d767e2996bb",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
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+                "ext-reflection": "*",
+                "ext-spl": "*",
+                "php": ">=5.3.3",
+                "phpunit/php-code-coverage": "~2.0",
+                "phpunit/php-file-iterator": "~1.3.1",
+                "phpunit/php-text-template": "~1.2",
+                "phpunit/php-timer": "~1.0.2",
+                "phpunit/phpunit-mock-objects": "~2.1",
+                "sebastian/comparator": "~1.0",
+                "sebastian/diff": "~1.1",
+                "sebastian/environment": "~1.0",
+                "sebastian/exporter": "~1.0",
+                "sebastian/version": "~1.0",
+                "symfony/yaml": "~2.0"
+            },
+            "suggest": {
+                "phpunit/php-invoker": "~1.1"
+            },
+            "bin": [
+                "phpunit"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.1.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "include-path": [
+                "",
+                "../../symfony/yaml/"
+            ],
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "The PHP Unit Testing framework.",
+            "homepage": "http://www.phpunit.de/",
+            "keywords": [
+                "phpunit",
+                "testing",
+                "xunit"
+            ],
+            "time": "2014-05-13 14:01:48"
+        },
+        {
+            "name": "phpunit/phpunit-mock-objects",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
+                "reference": "4dada9d8762055e292d79142adbdde56c113b21a"
+            },
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+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "phpunit/php-text-template": "~1.2"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "4.2.*@dev"
+            },
+            "suggest": {
+                "ext-soap": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.2.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "include-path": [
+                ""
+            ],
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sb@sebastian-bergmann.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Mock Object library for PHPUnit",
+            "homepage": "https://github.com/sebastianbergmann/phpunit-mock-objects/",
+            "keywords": [
+                "mock",
+                "xunit"
+            ],
+            "time": "2014-05-09 09:09:30"
+        },
+        {
+            "name": "sebastian/comparator",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/comparator.git",
+                "reference": "e54a01c0da1b87db3c5a3c4c5277ddf331da4aef"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/e54a01c0da1b87db3c5a3c4c5277ddf331da4aef",
+                "reference": "e54a01c0da1b87db3c5a3c4c5277ddf331da4aef",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "sebastian/diff": "~1.1",
+                "sebastian/exporter": "~1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                },
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Volker Dusch",
+                    "email": "github@wallbash.com"
+                },
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@2bepublished.at"
+                }
+            ],
+            "description": "Provides the functionality to compare PHP values for equality",
+            "homepage": "http://www.github.com/sebastianbergmann/comparator",
+            "keywords": [
+                "comparator",
+                "compare",
+                "equality"
+            ],
+            "time": "2014-05-11 23:00:21"
+        },
+        {
+            "name": "sebastian/diff",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/diff.git",
+                "reference": "ac84cfdec593945f36f24074d6ea17d296e86f76"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/ac84cfdec593945f36f24074d6ea17d296e86f76",
+                "reference": "ac84cfdec593945f36f24074d6ea17d296e86f76",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                },
+                {
+                    "name": "Kore Nordmann",
+                    "email": "mail@kore-nordmann.de"
+                }
+            ],
+            "description": "Diff implementation",
+            "homepage": "http://www.github.com/sebastianbergmann/diff",
+            "keywords": [
+                "diff"
+            ],
+            "time": "2014-05-12 05:21:40"
+        },
+        {
+            "name": "sebastian/environment",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/environment.git",
+                "reference": "10c7467da0622f7848cc5cadc0828c3359254df4"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/10c7467da0622f7848cc5cadc0828c3359254df4",
+                "reference": "10c7467da0622f7848cc5cadc0828c3359254df4",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Provides functionality to handle HHVM/PHP environments",
+            "homepage": "http://www.github.com/sebastianbergmann/environment",
+            "keywords": [
+                "Xdebug",
+                "environment",
+                "hhvm"
+            ],
+            "time": "2014-05-04 17:56:05"
+        },
+        {
+            "name": "sebastian/exporter",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/exporter.git",
+                "reference": "eb54a69388e5b7ea48561a65588f067fdda0c886"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/eb54a69388e5b7ea48561a65588f067fdda0c886",
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+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "~4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                },
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Volker Dusch",
+                    "email": "github@wallbash.com"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
+                },
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@2bepublished.at"
+                }
+            ],
+            "description": "Provides the functionality to export PHP variables for visualization",
+            "homepage": "http://www.github.com/sebastianbergmann/exporter",
+            "keywords": [
+                "export",
+                "exporter"
+            ],
+            "time": "2014-05-05 08:31:02"
+        },
+        {
+            "name": "sebastian/version",
+            "version": "1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/version.git",
+                "reference": "b6e1f0cf6b9e1ec409a0d3e2f2a5fb0998e36b43"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/b6e1f0cf6b9e1ec409a0d3e2f2a5fb0998e36b43",
+                "reference": "b6e1f0cf6b9e1ec409a0d3e2f2a5fb0998e36b43",
+                "shasum": ""
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
+            "homepage": "https://github.com/sebastianbergmann/version",
+            "time": "2014-03-07 15:35:33"
+        },
+        {
+            "name": "symfony/yaml",
+            "version": "dev-master",
+            "target-dir": "Symfony/Component/Yaml",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/Yaml.git",
+                "reference": "e9525fc511a51e7bfa214c6c420515c580fda35a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/Yaml/zipball/e9525fc511a51e7bfa214c6c420515c580fda35a",
+                "reference": "e9525fc511a51e7bfa214c6c420515c580fda35a",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.5-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Symfony\\Component\\Yaml\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com",
+                    "homepage": "http://fabien.potencier.org",
+                    "role": "Lead Developer"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "http://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Yaml Component",
+            "homepage": "http://symfony.com",
+            "time": "2014-04-18 20:40:13"
+        }
+    ],
+    "aliases": [
+
+    ],
+    "minimum-stability": "dev",
+    "stability-flags": [
+
+    ],
+    "platform": {
+        "php": ">=5.3.2"
+    },
+    "platform-dev": [
+
+    ]
+}
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..067048a
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+         bootstrap="tests/bootstrap.php"
+>
+         
+    <testsuites>
+        <testsuite name="JLM Serializer Expression Test Suite">
+            <directory>./tests</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
\ No newline at end of file
diff --git a/src/JLM/SerializerExpression/Serializer/Annotation/ExcludeIf.php b/src/JLM/SerializerExpression/Serializer/Annotation/ExcludeIf.php
new file mode 100644
index 0000000..636a9ce
--- /dev/null
+++ b/src/JLM/SerializerExpression/Serializer/Annotation/ExcludeIf.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace JLM\SerializerExpression\Serializer\Annotation;
+
+/**
+ * Uses Symfony expressons to determine of the user is authorized
+ * to see this object or property. Used by an exclusion strategy.
+ * 
+ * @Annotation
+ * @Target({"PROPERTY"})
+ */
+final class ExcludeIf
+{
+    /** @var string @Required */
+    public $expression;
+}
\ No newline at end of file
diff --git a/src/JLM/SerializerExpression/Serializer/Exclusion/ExpressionBasedExclusionStrategy.php b/src/JLM/SerializerExpression/Serializer/Exclusion/ExpressionBasedExclusionStrategy.php
new file mode 100644
index 0000000..eefb43e
--- /dev/null
+++ b/src/JLM/SerializerExpression/Serializer/Exclusion/ExpressionBasedExclusionStrategy.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace JLM\SerializerExpression\Serializer\Exclusion;
+
+use JMS\Serializer\Exclusion\ExclusionStrategyInterface;
+use JMS\Serializer\Metadata\ClassMetadata;
+use JMS\Serializer\Metadata\PropertyMetadata as BasePropertyMetadata;
+use JMS\Serializer\Context;
+
+use Metadata\MetadataFactory;
+
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+use Symfony\Component\ExpressionLanguage\Expression;
+
+/**
+ * Exclusion strategy based on Symfony expression langauge component 
+ *
+ * @author Jason McClellan <jason_mcclellan@jasonmcclellan.io>
+ */
+class ExpressionBasedExclusionStrategy implements ExclusionStrategyInterface
+{
+    protected $metadataFactory;
+    protected $expressionLanguage;
+
+    public function __construct(MetadataFactory $metadataFactory, ExpressionLanguage $expressionLanguage)
+    {
+        $this->metadataFactory = $metadataFactory;
+        $this->expressionLanguage = $expressionLanguage;
+    }
+
+    /**
+     * Whether the class should be skipped.
+     *
+     * This class only supports property level exclusion
+     *
+     * @param ClassMetadata $metadata The JMS Serializer metadata for the class 
+     *
+     * @return boolean
+     */
+    public function shouldSkipClass(ClassMetadata $class, Context $context)
+    {        
+        return false;
+    }
+
+    /**
+     * Whether the property should be skipped.
+     *
+     * @param BasePropertyMetadata $property
+     *
+     * @return boolean
+     */
+    public function shouldSkipProperty(BasePropertyMetadata $property, Context $context)
+    {
+        if (null !== $property->class) {
+            $classMetadata = $this->metadataFactory->getMetadataForClass($property->class);
+            $classMetadata = $classMetadata->classMetadata[$property->class];
+            // Converts the JMS Serializer property metadata into our own property metadata
+            $propertyMetadata = $classMetadata->propertyMetadata[$property->name];
+      
+            if (null !== $propertyMetadata->exclusionExpression) {
+                $expression = new Expression($propertyMetadata->exclusionExpression);  
+                return (bool)$this->expressionLanguage->evaluate($expression, array(
+                        'classMetadata' => $classMetadata,
+                        'propertyMetadata' => $propertyMetadata,
+                        'context' => $context));  
+            }
+        }        
+        
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/src/JLM/SerializerExpression/Serializer/Metadata/Driver/AnnotationDriver.php b/src/JLM/SerializerExpression/Serializer/Metadata/Driver/AnnotationDriver.php
new file mode 100644
index 0000000..af7aa8b
--- /dev/null
+++ b/src/JLM/SerializerExpression/Serializer/Metadata/Driver/AnnotationDriver.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace JLM\SerializerExpression\Serializer\Metadata\Driver;
+
+use Doctrine\Common\Annotations\Reader;
+
+use JLM\SerializerExpression\Serializer\Annotation\ExcludeIf;
+use JLM\SerializerExpression\Serializer\Metadata\PropertyMetadata;
+
+use Metadata\Driver\DriverInterface;
+use Metadata\ClassMetadata;
+
+
+class AnnotationDriver implements DriverInterface
+{
+    protected $reader;
+
+    public function __construct(Reader $reader)
+    {
+        $this->reader = $reader;
+    }
+
+    public function loadMetadataForClass(\ReflectionClass $class)
+    {
+        $classMetadata = new ClassMetadata($name = $class->name);
+        $classMetadata->fileResources[] = $class->getFilename();
+
+        $propertiesMetadata = array();
+        $propertiesAnnotations = array();
+
+        foreach ($class->getProperties() as $property) {
+            if ($property->class !== $name) {
+                continue;
+            }
+            $propertiesMetadata[] = new PropertyMetadata($name, $property->getName());
+            $propertiesAnnotations[] = $this->reader->getPropertyAnnotations($property);
+        }
+
+        foreach ($propertiesMetadata as $propertyKey => $propertyMetadata) {
+            
+            $propertyAnnotations = $propertiesAnnotations[$propertyKey];
+
+            foreach ($propertyAnnotations as $annot) {
+                if ($annot instanceof ExcludeIf) {
+                    $propertyMetadata->exclusionExpression = $annot->expression;
+                }
+            }
+
+            $classMetadata->addPropertyMetadata($propertyMetadata);
+        }
+
+        return $classMetadata;
+    }
+}
\ No newline at end of file
diff --git a/src/JLM/SerializerExpression/Serializer/Metadata/PropertyMetadata.php b/src/JLM/SerializerExpression/Serializer/Metadata/PropertyMetadata.php
new file mode 100644
index 0000000..14e158e
--- /dev/null
+++ b/src/JLM/SerializerExpression/Serializer/Metadata/PropertyMetadata.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace JLM\SerializerExpression\Serializer\Metadata;
+
+use JMS\Serializer\TypeParser;
+use JMS\Serializer\Exception\RuntimeException;
+
+use Metadata\PropertyMetadata as BasePropertyMetadata;
+
+
+class PropertyMetadata extends BasePropertyMetadata
+{
+    public $exclusionExpression;
+
+    public function getExclusionExpression()
+    {
+        return $this->exclusionExpression;
+    }
+
+    public function setExclusionExpression($exclusionExpression)
+    {
+        $this->exclusionExpression = $exclusionExpression;
+    }
+
+    public function serialize()
+    {
+        return serialize(array(
+            $this->exclusionExpression,            
+            parent::serialize(),
+        ));
+    }
+
+    public function unserialize($str)
+    {
+        list(
+            $this->exclusionExpression,            
+            $parentStr
+        ) = unserialize($str);
+
+        parent::unserialize($parentStr);
+    }
+}
diff --git a/tests/JLM/SerializerExpression/Tests/ExpressionBasedExclusionStrategyTest.php b/tests/JLM/SerializerExpression/Tests/ExpressionBasedExclusionStrategyTest.php
new file mode 100644
index 0000000..11bd17b
--- /dev/null
+++ b/tests/JLM/SerializerExpression/Tests/ExpressionBasedExclusionStrategyTest.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace JLM\SerializerExpression\Tests;
+
+use JLM\SerializerExpression\Tests\Model\User;
+use JLM\SerializerExpression\Tests\ExpressionLanguage\CustomExpressionLanguage;
+
+use JLM\SerializerExpression\Serializer\Metadata\Driver\AnnotationDriver;
+use JLM\SerializerExpression\Serializer\Exclusion\ExpressionBasedExclusionStrategy;
+
+use Doctrine\Common\Annotations\AnnotationReader;
+
+use JMS\Serializer\SerializerBuilder;
+use JMS\Serializer\SerializationContext;
+
+use Metadata\MetadataFactory;
+
+
+class ExpressionBasedExclusionStrategyTest extends \PHPUnit_Framework_TestCase
+{
+    public function testExclusion()
+    {
+        $user = new User();
+        $expressionLang = new CustomExpressionLanguage();
+        $annotationReader = new AnnotationReader();
+        $metadataDriver = new AnnotationDriver($annotationReader);
+        $metadataFactory = new MetadataFactory($metadataDriver);
+        $exclusionStrategy = new ExpressionBasedExclusionStrategy($metadataFactory, $expressionLang);
+
+        $serializer = SerializerBuilder::create()->build();
+
+        $context = SerializationContext::create();
+        $context->addExclusionStrategy($exclusionStrategy);
+        $data = $serializer->serialize($user, 'json', $context);
+
+        $check = json_decode($data, true);
+
+        $this->assertEquals(3, count($check));
+        foreach (array_keys($check) as $key) {
+            $this->assertTrue(in_array($key, array('first_name', 'last_name', 'occupation')));
+        }
+    }
+}
+?>
\ No newline at end of file
diff --git a/tests/JLM/SerializerExpression/Tests/ExpressionLanguage/CustomExpressionLanguage.php b/tests/JLM/SerializerExpression/Tests/ExpressionLanguage/CustomExpressionLanguage.php
new file mode 100644
index 0000000..bd1e691
--- /dev/null
+++ b/tests/JLM/SerializerExpression/Tests/ExpressionLanguage/CustomExpressionLanguage.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace JLM\SerializerExpression\Tests\ExpressionLanguage;
+
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage as BaseExpressionLanguage;
+use Symfony\Component\ExpressionLanguage\Expression;
+
+
+/**
+ */
+class CustomExpressionLanguage extends BaseExpressionLanguage
+{
+    protected function registerFunctions()
+    {
+        parent::registerFunctions();
+
+        // Test expression which always returns the opposite of the value we pass to it
+        $this->register('hasAccessIfTrue', function ($arg) {
+            return sprintf('return !%s', $arg);
+        }, function (array $variables, $value)  {
+            return !$value;
+        });
+    }
+}
diff --git a/tests/JLM/SerializerExpression/Tests/Model/User.php b/tests/JLM/SerializerExpression/Tests/Model/User.php
new file mode 100644
index 0000000..fd4b8e0
--- /dev/null
+++ b/tests/JLM/SerializerExpression/Tests/Model/User.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace JLM\SerializerExpression\Tests\Model;
+
+use JLM\SerializerExpression\Serializer\Annotation\ExcludeIf;
+
+class User
+{
+    /**
+     * @ExcludeIf("hasAccessIfTrue(true)")
+     */
+    public $firstName = 'Jason';
+    /**
+     * @ExcludeIf("hasAccessIfTrue(true)")
+     */
+    public $lastName = 'McClellan';
+    /**
+     * @ExcludeIf("hasAccessIfTrue(false)")
+     */
+    public $phone = '555-555-5555';
+    /**
+     * @ExcludeIf("hasAccessIfTrue(false)")
+     */
+    public $address ='New York, NY';
+
+    public $occupation = 'Software';
+}
\ No newline at end of file
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..00c66d2
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,14 @@
+<?php
+
+use Doctrine\Common\Annotations\AnnotationRegistry;
+
+call_user_func(function() {
+    if ( ! is_file($autoloadFile = __DIR__.'/../vendor/autoload.php')) {
+        throw new \RuntimeException('Did not find vendor/autoload.php. Did you run "composer install --dev"?');
+    }
+
+    $loader = require $autoloadFile;
+    $loader->add('JLM\SerializerExpression\Tests', __DIR__);
+
+    AnnotationRegistry::registerLoader('class_exists');
+});
\ No newline at end of file